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 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 Alc�ve <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#include <linux/kernel.h> 46#include <linux/module.h> 47#include <linux/moduleparam.h> 48#include <linux/init.h> 49#include <linux/types.h> 50#include <linux/backlight.h> 51#include <linux/platform_device.h> 52#include <linux/err.h> 53#include <linux/dmi.h> 54#include <linux/pci.h> 55#include <linux/interrupt.h> 56#include <linux/delay.h> 57#include <linux/input.h> 58#include <linux/kfifo.h> 59#include <linux/workqueue.h> 60#include <linux/acpi.h> 61#include <acpi/acpi_drivers.h> 62#include <acpi/acpi_bus.h> 63#include <asm/uaccess.h> 64#include <linux/sonypi.h> 65#include <linux/sony-laptop.h> 66#ifdef CONFIG_SONYPI_COMPAT 67#include <linux/poll.h> 68#include <linux/miscdevice.h> 69#endif 70 71#define DRV_PFX "sony-laptop: " 72#define dprintk(msg...) do { \ 73 if (debug) printk(KERN_WARNING DRV_PFX msg); \ 74} while (0) 75 76#define SONY_LAPTOP_DRIVER_VERSION "0.5" 77 78#define SONY_NC_CLASS "sony-nc" 79#define SONY_NC_HID "SNY5001" 80#define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver" 81 82#define SONY_PIC_CLASS "sony-pic" 83#define SONY_PIC_HID "SNY6001" 84#define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver" 85 86MODULE_AUTHOR("Stelian Pop, Mattia Dongili"); 87MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)"); 88MODULE_LICENSE("GPL"); 89MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION); 90 91static int debug; 92module_param(debug, int, 0); 93MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help " 94 "the development of this driver"); 95 96static int no_spic; /* = 0 */ 97module_param(no_spic, int, 0444); 98MODULE_PARM_DESC(no_spic, 99 "set this if you don't want to enable the SPIC device"); 100 101static int compat; /* = 0 */ 102module_param(compat, int, 0444); 103MODULE_PARM_DESC(compat, 104 "set this if you want to enable backward compatibility mode"); 105 106static unsigned long mask = 0xffffffff; 107module_param(mask, ulong, 0644); 108MODULE_PARM_DESC(mask, 109 "set this to the mask of event you want to enable (see doc)"); 110 111static int camera; /* = 0 */ 112module_param(camera, int, 0444); 113MODULE_PARM_DESC(camera, 114 "set this to 1 to enable Motion Eye camera controls " 115 "(only use it if you have a C1VE or C1VN model)"); 116 117#ifdef CONFIG_SONYPI_COMPAT 118static int minor = -1; 119module_param(minor, int, 0); 120MODULE_PARM_DESC(minor, 121 "minor number of the misc device for the SPIC compatibility code, " 122 "default is -1 (automatic)"); 123#endif 124 125/*********** Input Devices ***********/ 126 127#define SONY_LAPTOP_BUF_SIZE 128 128struct sony_laptop_input_s { 129 atomic_t users; 130 struct input_dev *jog_dev; 131 struct input_dev *key_dev; 132 struct kfifo *fifo; 133 spinlock_t fifo_lock; 134 struct workqueue_struct *wq; 135}; 136static struct sony_laptop_input_s sony_laptop_input = { 137 .users = ATOMIC_INIT(0), 138}; 139 140struct sony_laptop_keypress { 141 struct input_dev *dev; 142 int key; 143}; 144 145/* Correspondance table between sonypi events and input layer events */ 146static struct { 147 int sonypiev; 148 int inputev; 149} sony_laptop_inputkeys[] = { 150 { SONYPI_EVENT_CAPTURE_PRESSED, KEY_CAMERA }, 151 { SONYPI_EVENT_FNKEY_ONLY, KEY_FN }, 152 { SONYPI_EVENT_FNKEY_ESC, KEY_FN_ESC }, 153 { SONYPI_EVENT_FNKEY_F1, KEY_FN_F1 }, 154 { SONYPI_EVENT_FNKEY_F2, KEY_FN_F2 }, 155 { SONYPI_EVENT_FNKEY_F3, KEY_FN_F3 }, 156 { SONYPI_EVENT_FNKEY_F4, KEY_FN_F4 }, 157 { SONYPI_EVENT_FNKEY_F5, KEY_FN_F5 }, 158 { SONYPI_EVENT_FNKEY_F6, KEY_FN_F6 }, 159 { SONYPI_EVENT_FNKEY_F7, KEY_FN_F7 }, 160 { SONYPI_EVENT_FNKEY_F8, KEY_FN_F8 }, 161 { SONYPI_EVENT_FNKEY_F9, KEY_FN_F9 }, 162 { SONYPI_EVENT_FNKEY_F10, KEY_FN_F10 }, 163 { SONYPI_EVENT_FNKEY_F11, KEY_FN_F11 }, 164 { SONYPI_EVENT_FNKEY_F12, KEY_FN_F12 }, 165 { SONYPI_EVENT_FNKEY_1, KEY_FN_1 }, 166 { SONYPI_EVENT_FNKEY_2, KEY_FN_2 }, 167 { SONYPI_EVENT_FNKEY_D, KEY_FN_D }, 168 { SONYPI_EVENT_FNKEY_E, KEY_FN_E }, 169 { SONYPI_EVENT_FNKEY_F, KEY_FN_F }, 170 { SONYPI_EVENT_FNKEY_S, KEY_FN_S }, 171 { SONYPI_EVENT_FNKEY_B, KEY_FN_B }, 172 { SONYPI_EVENT_BLUETOOTH_PRESSED, KEY_BLUE }, 173 { SONYPI_EVENT_BLUETOOTH_ON, KEY_BLUE }, 174 { SONYPI_EVENT_PKEY_P1, KEY_PROG1 }, 175 { SONYPI_EVENT_PKEY_P2, KEY_PROG2 }, 176 { SONYPI_EVENT_PKEY_P3, KEY_PROG3 }, 177 { SONYPI_EVENT_BACK_PRESSED, KEY_BACK }, 178 { SONYPI_EVENT_HELP_PRESSED, KEY_HELP }, 179 { SONYPI_EVENT_ZOOM_PRESSED, KEY_ZOOM }, 180 { SONYPI_EVENT_THUMBPHRASE_PRESSED, BTN_THUMB }, 181 { 0, 0 }, 182}; 183 184/* release buttons after a short delay if pressed */ 185static void do_sony_laptop_release_key(struct work_struct *work) 186{ 187 struct sony_laptop_keypress kp; 188 189 while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp, 190 sizeof(kp)) == sizeof(kp)) { 191 msleep(10); 192 input_report_key(kp.dev, kp.key, 0); 193 input_sync(kp.dev); 194 } 195} 196static DECLARE_WORK(sony_laptop_release_key_work, 197 do_sony_laptop_release_key); 198 199/* forward event to the input subsytem */ 200static void sony_laptop_report_input_event(u8 event) 201{ 202 struct input_dev *jog_dev = sony_laptop_input.jog_dev; 203 struct input_dev *key_dev = sony_laptop_input.key_dev; 204 struct sony_laptop_keypress kp = { NULL }; 205 int i; 206 207 if (event == SONYPI_EVENT_FNKEY_RELEASED) { 208 /* Nothing, not all VAIOs generate this event */ 209 return; 210 } 211 212 /* report events */ 213 switch (event) { 214 /* jog_dev events */ 215 case SONYPI_EVENT_JOGDIAL_UP: 216 case SONYPI_EVENT_JOGDIAL_UP_PRESSED: 217 input_report_rel(jog_dev, REL_WHEEL, 1); 218 input_sync(jog_dev); 219 return; 220 221 case SONYPI_EVENT_JOGDIAL_DOWN: 222 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: 223 input_report_rel(jog_dev, REL_WHEEL, -1); 224 input_sync(jog_dev); 225 return; 226 227 /* key_dev events */ 228 case SONYPI_EVENT_JOGDIAL_PRESSED: 229 kp.key = BTN_MIDDLE; 230 kp.dev = jog_dev; 231 break; 232 233 default: 234 for (i = 0; sony_laptop_inputkeys[i].sonypiev; i++) 235 if (event == sony_laptop_inputkeys[i].sonypiev) { 236 kp.dev = key_dev; 237 kp.key = sony_laptop_inputkeys[i].inputev; 238 break; 239 } 240 break; 241 } 242 243 if (kp.dev) { 244 input_report_key(kp.dev, kp.key, 1); 245 input_sync(kp.dev); 246 kfifo_put(sony_laptop_input.fifo, 247 (unsigned char *)&kp, sizeof(kp)); 248 249 if (!work_pending(&sony_laptop_release_key_work)) 250 queue_work(sony_laptop_input.wq, 251 &sony_laptop_release_key_work); 252 } else 253 dprintk("unknown input event %.2x\n", event); 254} 255 256static int sony_laptop_setup_input(void) 257{ 258 struct input_dev *jog_dev; 259 struct input_dev *key_dev; 260 int i; 261 int error; 262 263 /* don't run again if already initialized */ 264 if (atomic_add_return(1, &sony_laptop_input.users) > 1) 265 return 0; 266 267 /* kfifo */ 268 spin_lock_init(&sony_laptop_input.fifo_lock); 269 sony_laptop_input.fifo = 270 kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL, 271 &sony_laptop_input.fifo_lock); 272 if (IS_ERR(sony_laptop_input.fifo)) { 273 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n"); 274 error = PTR_ERR(sony_laptop_input.fifo); 275 goto err_dec_users; 276 } 277 278 /* init workqueue */ 279 sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop"); 280 if (!sony_laptop_input.wq) { 281 printk(KERN_ERR DRV_PFX 282 "Unabe to create workqueue.\n"); 283 error = -ENXIO; 284 goto err_free_kfifo; 285 } 286 287 /* input keys */ 288 key_dev = input_allocate_device(); 289 if (!key_dev) { 290 error = -ENOMEM; 291 goto err_destroy_wq; 292 } 293 294 key_dev->name = "Sony Vaio Keys"; 295 key_dev->id.bustype = BUS_ISA; 296 key_dev->id.vendor = PCI_VENDOR_ID_SONY; 297 298 /* Initialize the Input Drivers: special keys */ 299 key_dev->evbit[0] = BIT(EV_KEY); 300 for (i = 0; sony_laptop_inputkeys[i].sonypiev; i++) 301 if (sony_laptop_inputkeys[i].inputev) 302 set_bit(sony_laptop_inputkeys[i].inputev, 303 key_dev->keybit); 304 305 error = input_register_device(key_dev); 306 if (error) 307 goto err_free_keydev; 308 309 sony_laptop_input.key_dev = key_dev; 310 311 /* jogdial */ 312 jog_dev = input_allocate_device(); 313 if (!jog_dev) { 314 error = -ENOMEM; 315 goto err_unregister_keydev; 316 } 317 318 jog_dev->name = "Sony Vaio Jogdial"; 319 jog_dev->id.bustype = BUS_ISA; 320 jog_dev->id.vendor = PCI_VENDOR_ID_SONY; 321 322 jog_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL); 323 jog_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_MIDDLE); 324 jog_dev->relbit[0] = BIT(REL_WHEEL); 325 326 error = input_register_device(jog_dev); 327 if (error) 328 goto err_free_jogdev; 329 330 sony_laptop_input.jog_dev = jog_dev; 331 332 return 0; 333 334err_free_jogdev: 335 input_free_device(jog_dev); 336 337err_unregister_keydev: 338 input_unregister_device(key_dev); 339 /* to avoid kref underflow below at input_free_device */ 340 key_dev = NULL; 341 342err_free_keydev: 343 input_free_device(key_dev); 344 345err_destroy_wq: 346 destroy_workqueue(sony_laptop_input.wq); 347 348err_free_kfifo: 349 kfifo_free(sony_laptop_input.fifo); 350 351err_dec_users: 352 atomic_dec(&sony_laptop_input.users); 353 return error; 354} 355 356static void sony_laptop_remove_input(void) 357{ 358 /* cleanup only after the last user has gone */ 359 if (!atomic_dec_and_test(&sony_laptop_input.users)) 360 return; 361 362 /* flush workqueue first */ 363 flush_workqueue(sony_laptop_input.wq); 364 365 /* destroy input devs */ 366 input_unregister_device(sony_laptop_input.key_dev); 367 sony_laptop_input.key_dev = NULL; 368 369 if (sony_laptop_input.jog_dev) { 370 input_unregister_device(sony_laptop_input.jog_dev); 371 sony_laptop_input.jog_dev = NULL; 372 } 373 374 destroy_workqueue(sony_laptop_input.wq); 375 kfifo_free(sony_laptop_input.fifo); 376} 377 378/*********** Platform Device ***********/ 379 380static atomic_t sony_pf_users = ATOMIC_INIT(0); 381static struct platform_driver sony_pf_driver = { 382 .driver = { 383 .name = "sony-laptop", 384 .owner = THIS_MODULE, 385 } 386}; 387static struct platform_device *sony_pf_device; 388 389static int sony_pf_add(void) 390{ 391 int ret = 0; 392 393 /* don't run again if already initialized */ 394 if (atomic_add_return(1, &sony_pf_users) > 1) 395 return 0; 396 397 ret = platform_driver_register(&sony_pf_driver); 398 if (ret) 399 goto out; 400 401 sony_pf_device = platform_device_alloc("sony-laptop", -1); 402 if (!sony_pf_device) { 403 ret = -ENOMEM; 404 goto out_platform_registered; 405 } 406 407 ret = platform_device_add(sony_pf_device); 408 if (ret) 409 goto out_platform_alloced; 410 411 return 0; 412 413 out_platform_alloced: 414 platform_device_put(sony_pf_device); 415 sony_pf_device = NULL; 416 out_platform_registered: 417 platform_driver_unregister(&sony_pf_driver); 418 out: 419 atomic_dec(&sony_pf_users); 420 return ret; 421} 422 423static void sony_pf_remove(void) 424{ 425 /* deregister only after the last user has gone */ 426 if (!atomic_dec_and_test(&sony_pf_users)) 427 return; 428 429 platform_device_del(sony_pf_device); 430 platform_device_put(sony_pf_device); 431 platform_driver_unregister(&sony_pf_driver); 432} 433 434/*********** SNC (SNY5001) Device ***********/ 435 436/* the device uses 1-based values, while the backlight subsystem uses 437 0-based values */ 438#define SONY_MAX_BRIGHTNESS 8 439 440#define SNC_VALIDATE_IN 0 441#define SNC_VALIDATE_OUT 1 442 443static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *, 444 char *); 445static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *, 446 const char *, size_t); 447static int boolean_validate(const int, const int); 448static int brightness_default_validate(const int, const int); 449 450struct sony_nc_value { 451 char *name; /* name of the entry */ 452 char **acpiget; /* names of the ACPI get function */ 453 char **acpiset; /* names of the ACPI set function */ 454 int (*validate)(const int, const int); /* input/output validation */ 455 int value; /* current setting */ 456 int valid; /* Has ever been set */ 457 int debug; /* active only in debug mode ? */ 458 struct device_attribute devattr; /* sysfs atribute */ 459}; 460 461#define SNC_HANDLE_NAMES(_name, _values...) \ 462 static char *snc_##_name[] = { _values, NULL } 463 464#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \ 465 { \ 466 .name = __stringify(_name), \ 467 .acpiget = _getters, \ 468 .acpiset = _setters, \ 469 .validate = _validate, \ 470 .debug = _debug, \ 471 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \ 472 } 473 474#define SNC_HANDLE_NULL { .name = NULL } 475 476SNC_HANDLE_NAMES(fnkey_get, "GHKE"); 477 478SNC_HANDLE_NAMES(brightness_def_get, "GPBR"); 479SNC_HANDLE_NAMES(brightness_def_set, "SPBR"); 480 481SNC_HANDLE_NAMES(cdpower_get, "GCDP"); 482SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW"); 483 484SNC_HANDLE_NAMES(audiopower_get, "GAZP"); 485SNC_HANDLE_NAMES(audiopower_set, "AZPW"); 486 487SNC_HANDLE_NAMES(lanpower_get, "GLNP"); 488SNC_HANDLE_NAMES(lanpower_set, "LNPW"); 489 490SNC_HANDLE_NAMES(PID_get, "GPID"); 491 492SNC_HANDLE_NAMES(CTR_get, "GCTR"); 493SNC_HANDLE_NAMES(CTR_set, "SCTR"); 494 495SNC_HANDLE_NAMES(PCR_get, "GPCR"); 496SNC_HANDLE_NAMES(PCR_set, "SPCR"); 497 498SNC_HANDLE_NAMES(CMI_get, "GCMI"); 499SNC_HANDLE_NAMES(CMI_set, "SCMI"); 500 501static struct sony_nc_value sony_nc_values[] = { 502 SNC_HANDLE(brightness_default, snc_brightness_def_get, 503 snc_brightness_def_set, brightness_default_validate, 0), 504 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0), 505 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0), 506 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set, 507 boolean_validate, 0), 508 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set, 509 boolean_validate, 1), 510 /* unknown methods */ 511 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1), 512 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1), 513 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1), 514 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1), 515 SNC_HANDLE_NULL 516}; 517 518static acpi_handle sony_nc_acpi_handle; 519static struct acpi_device *sony_nc_acpi_device = NULL; 520 521/* 522 * acpi_evaluate_object wrappers 523 */ 524static int acpi_callgetfunc(acpi_handle handle, char *name, int *result) 525{ 526 struct acpi_buffer output; 527 union acpi_object out_obj; 528 acpi_status status; 529 530 output.length = sizeof(out_obj); 531 output.pointer = &out_obj; 532 533 status = acpi_evaluate_object(handle, name, NULL, &output); 534 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) { 535 *result = out_obj.integer.value; 536 return 0; 537 } 538 539 printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n"); 540 541 return -1; 542} 543 544static int acpi_callsetfunc(acpi_handle handle, char *name, int value, 545 int *result) 546{ 547 struct acpi_object_list params; 548 union acpi_object in_obj; 549 struct acpi_buffer output; 550 union acpi_object out_obj; 551 acpi_status status; 552 553 params.count = 1; 554 params.pointer = &in_obj; 555 in_obj.type = ACPI_TYPE_INTEGER; 556 in_obj.integer.value = value; 557 558 output.length = sizeof(out_obj); 559 output.pointer = &out_obj; 560 561 status = acpi_evaluate_object(handle, name, ¶ms, &output); 562 if (status == AE_OK) { 563 if (result != NULL) { 564 if (out_obj.type != ACPI_TYPE_INTEGER) { 565 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad " 566 "return type\n"); 567 return -1; 568 } 569 *result = out_obj.integer.value; 570 } 571 return 0; 572 } 573 574 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n"); 575 576 return -1; 577} 578 579/* 580 * sony_nc_values input/output validate functions 581 */ 582 583/* brightness_default_validate: 584 * 585 * manipulate input output values to keep consistency with the 586 * backlight framework for which brightness values are 0-based. 587 */ 588static int brightness_default_validate(const int direction, const int value) 589{ 590 switch (direction) { 591 case SNC_VALIDATE_OUT: 592 return value - 1; 593 case SNC_VALIDATE_IN: 594 if (value >= 0 && value < SONY_MAX_BRIGHTNESS) 595 return value + 1; 596 } 597 return -EINVAL; 598} 599 600/* boolean_validate: 601 * 602 * on input validate boolean values 0/1, on output just pass the 603 * received value. 604 */ 605static int boolean_validate(const int direction, const int value) 606{ 607 if (direction == SNC_VALIDATE_IN) { 608 if (value != 0 && value != 1) 609 return -EINVAL; 610 } 611 return value; 612} 613 614/* 615 * Sysfs show/store common to all sony_nc_values 616 */ 617static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr, 618 char *buffer) 619{ 620 int value; 621 struct sony_nc_value *item = 622 container_of(attr, struct sony_nc_value, devattr); 623 624 if (!*item->acpiget) 625 return -EIO; 626 627 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0) 628 return -EIO; 629 630 if (item->validate) 631 value = item->validate(SNC_VALIDATE_OUT, value); 632 633 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 634} 635 636static ssize_t sony_nc_sysfs_store(struct device *dev, 637 struct device_attribute *attr, 638 const char *buffer, size_t count) 639{ 640 int value; 641 struct sony_nc_value *item = 642 container_of(attr, struct sony_nc_value, devattr); 643 644 if (!item->acpiset) 645 return -EIO; 646 647 if (count > 31) 648 return -EINVAL; 649 650 value = simple_strtoul(buffer, NULL, 10); 651 652 if (item->validate) 653 value = item->validate(SNC_VALIDATE_IN, value); 654 655 if (value < 0) 656 return value; 657 658 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0) 659 return -EIO; 660 item->value = value; 661 item->valid = 1; 662 return count; 663} 664 665 666/* 667 * Backlight device 668 */ 669static int sony_backlight_update_status(struct backlight_device *bd) 670{ 671 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT", 672 bd->props.brightness + 1, NULL); 673} 674 675static int sony_backlight_get_brightness(struct backlight_device *bd) 676{ 677 int value; 678 679 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) 680 return 0; 681 /* brightness levels are 1-based, while backlight ones are 0-based */ 682 return value - 1; 683} 684 685static struct backlight_device *sony_backlight_device; 686static struct backlight_ops sony_backlight_ops = { 687 .update_status = sony_backlight_update_status, 688 .get_brightness = sony_backlight_get_brightness, 689}; 690 691/* 692 * ACPI callbacks 693 */ 694static void sony_acpi_notify(acpi_handle handle, u32 event, void *data) 695{ 696 dprintk("sony_acpi_notify, event: %d\n", event); 697 sony_laptop_report_input_event(event); 698 acpi_bus_generate_event(sony_nc_acpi_device, 1, event); 699} 700 701static acpi_status sony_walk_callback(acpi_handle handle, u32 level, 702 void *context, void **return_value) 703{ 704 struct acpi_namespace_node *node; 705 union acpi_operand_object *operand; 706 707 node = (struct acpi_namespace_node *)handle; 708 operand = (union acpi_operand_object *)node->object; 709 710 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n", node->name.ascii, 711 (u32) operand->method.param_count); 712 713 return AE_OK; 714} 715 716/* 717 * ACPI device 718 */ 719static int sony_nc_resume(struct acpi_device *device) 720{ 721 struct sony_nc_value *item; 722 723 for (item = sony_nc_values; item->name; item++) { 724 int ret; 725 726 if (!item->valid) 727 continue; 728 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, 729 item->value, NULL); 730 if (ret < 0) { 731 printk("%s: %d\n", __FUNCTION__, ret); 732 break; 733 } 734 } 735 return 0; 736} 737 738static int sony_nc_add(struct acpi_device *device) 739{ 740 acpi_status status; 741 int result = 0; 742 acpi_handle handle; 743 struct sony_nc_value *item; 744 745 printk(KERN_INFO DRV_PFX "%s v%s.\n", 746 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 747 748 sony_nc_acpi_device = device; 749 strcpy(acpi_device_class(device), "sony/hotkey"); 750 751 sony_nc_acpi_handle = device->handle; 752 753 if (debug) { 754 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle, 755 1, sony_walk_callback, NULL, NULL); 756 if (ACPI_FAILURE(status)) { 757 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n"); 758 result = -ENODEV; 759 goto outwalk; 760 } 761 } 762 763 /* setup input devices and helper fifo */ 764 result = sony_laptop_setup_input(); 765 if (result) { 766 printk(KERN_ERR DRV_PFX 767 "Unabe to create input devices.\n"); 768 goto outwalk; 769 } 770 771 status = acpi_install_notify_handler(sony_nc_acpi_handle, 772 ACPI_DEVICE_NOTIFY, 773 sony_acpi_notify, NULL); 774 if (ACPI_FAILURE(status)) { 775 printk(KERN_WARNING DRV_PFX "unable to install notify handler\n"); 776 result = -ENODEV; 777 goto outinput; 778 } 779 780 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", &handle))) { 781 sony_backlight_device = backlight_device_register("sony", NULL, 782 NULL, 783 &sony_backlight_ops); 784 785 if (IS_ERR(sony_backlight_device)) { 786 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n"); 787 sony_backlight_device = NULL; 788 } else { 789 sony_backlight_device->props.brightness = 790 sony_backlight_get_brightness 791 (sony_backlight_device); 792 sony_backlight_device->props.max_brightness = 793 SONY_MAX_BRIGHTNESS - 1; 794 } 795 796 } 797 798 result = sony_pf_add(); 799 if (result) 800 goto outbacklight; 801 802 /* create sony_pf sysfs attributes related to the SNC device */ 803 for (item = sony_nc_values; item->name; ++item) { 804 805 if (!debug && item->debug) 806 continue; 807 808 /* find the available acpiget as described in the DSDT */ 809 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 810 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 811 *item->acpiget, 812 &handle))) { 813 dprintk("Found %s getter: %s\n", 814 item->name, *item->acpiget); 815 item->devattr.attr.mode |= S_IRUGO; 816 break; 817 } 818 } 819 820 /* find the available acpiset as described in the DSDT */ 821 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 822 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 823 *item->acpiset, 824 &handle))) { 825 dprintk("Found %s setter: %s\n", 826 item->name, *item->acpiset); 827 item->devattr.attr.mode |= S_IWUSR; 828 break; 829 } 830 } 831 832 if (item->devattr.attr.mode != 0) { 833 result = 834 device_create_file(&sony_pf_device->dev, 835 &item->devattr); 836 if (result) 837 goto out_sysfs; 838 } 839 } 840 841 return 0; 842 843 out_sysfs: 844 for (item = sony_nc_values; item->name; ++item) { 845 device_remove_file(&sony_pf_device->dev, &item->devattr); 846 } 847 sony_pf_remove(); 848 849 outbacklight: 850 if (sony_backlight_device) 851 backlight_device_unregister(sony_backlight_device); 852 853 status = acpi_remove_notify_handler(sony_nc_acpi_handle, 854 ACPI_DEVICE_NOTIFY, 855 sony_acpi_notify); 856 if (ACPI_FAILURE(status)) 857 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n"); 858 859 outinput: 860 sony_laptop_remove_input(); 861 862 outwalk: 863 return result; 864} 865 866static int sony_nc_remove(struct acpi_device *device, int type) 867{ 868 acpi_status status; 869 struct sony_nc_value *item; 870 871 if (sony_backlight_device) 872 backlight_device_unregister(sony_backlight_device); 873 874 sony_nc_acpi_device = NULL; 875 876 status = acpi_remove_notify_handler(sony_nc_acpi_handle, 877 ACPI_DEVICE_NOTIFY, 878 sony_acpi_notify); 879 if (ACPI_FAILURE(status)) 880 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n"); 881 882 for (item = sony_nc_values; item->name; ++item) { 883 device_remove_file(&sony_pf_device->dev, &item->devattr); 884 } 885 886 sony_pf_remove(); 887 sony_laptop_remove_input(); 888 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 889 890 return 0; 891} 892 893static struct acpi_driver sony_nc_driver = { 894 .name = SONY_NC_DRIVER_NAME, 895 .class = SONY_NC_CLASS, 896 .ids = SONY_NC_HID, 897 .owner = THIS_MODULE, 898 .ops = { 899 .add = sony_nc_add, 900 .remove = sony_nc_remove, 901 .resume = sony_nc_resume, 902 }, 903}; 904 905/*********** SPIC (SNY6001) Device ***********/ 906 907#define SONYPI_DEVICE_TYPE1 0x00000001 908#define SONYPI_DEVICE_TYPE2 0x00000002 909#define SONYPI_DEVICE_TYPE3 0x00000004 910 911#define SONY_PIC_EV_MASK 0xff 912 913struct sony_pic_ioport { 914 struct acpi_resource_io io; 915 struct list_head list; 916}; 917 918struct sony_pic_irq { 919 struct acpi_resource_irq irq; 920 struct list_head list; 921}; 922 923struct sony_pic_dev { 924 int model; 925 u8 camera_power; 926 u8 bluetooth_power; 927 u8 wwan_power; 928 struct acpi_device *acpi_dev; 929 struct sony_pic_irq *cur_irq; 930 struct sony_pic_ioport *cur_ioport; 931 struct list_head interrupts; 932 struct list_head ioports; 933 struct mutex lock; 934}; 935 936static struct sony_pic_dev spic_dev = { 937 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 938 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 939}; 940 941/* Event masks */ 942#define SONYPI_JOGGER_MASK 0x00000001 943#define SONYPI_CAPTURE_MASK 0x00000002 944#define SONYPI_FNKEY_MASK 0x00000004 945#define SONYPI_BLUETOOTH_MASK 0x00000008 946#define SONYPI_PKEY_MASK 0x00000010 947#define SONYPI_BACK_MASK 0x00000020 948#define SONYPI_HELP_MASK 0x00000040 949#define SONYPI_LID_MASK 0x00000080 950#define SONYPI_ZOOM_MASK 0x00000100 951#define SONYPI_THUMBPHRASE_MASK 0x00000200 952#define SONYPI_MEYE_MASK 0x00000400 953#define SONYPI_MEMORYSTICK_MASK 0x00000800 954#define SONYPI_BATTERY_MASK 0x00001000 955#define SONYPI_WIRELESS_MASK 0x00002000 956 957struct sonypi_event { 958 u8 data; 959 u8 event; 960}; 961 962/* The set of possible button release events */ 963static struct sonypi_event sonypi_releaseev[] = { 964 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 965 { 0, 0 } 966}; 967 968/* The set of possible jogger events */ 969static struct sonypi_event sonypi_joggerev[] = { 970 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 971 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 972 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 973 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 974 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 975 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 976 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 977 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 978 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 979 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 980 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 981 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 982 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 983 { 0, 0 } 984}; 985 986/* The set of possible capture button events */ 987static struct sonypi_event sonypi_captureev[] = { 988 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 989 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 990 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 991 { 0, 0 } 992}; 993 994/* The set of possible fnkeys events */ 995static struct sonypi_event sonypi_fnkeyev[] = { 996 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 997 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 998 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 999 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 1000 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 1001 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 1002 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 1003 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 1004 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 1005 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 1006 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 1007 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 1008 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 1009 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 1010 { 0x21, SONYPI_EVENT_FNKEY_1 }, 1011 { 0x22, SONYPI_EVENT_FNKEY_2 }, 1012 { 0x31, SONYPI_EVENT_FNKEY_D }, 1013 { 0x32, SONYPI_EVENT_FNKEY_E }, 1014 { 0x33, SONYPI_EVENT_FNKEY_F }, 1015 { 0x34, SONYPI_EVENT_FNKEY_S }, 1016 { 0x35, SONYPI_EVENT_FNKEY_B }, 1017 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 1018 { 0, 0 } 1019}; 1020 1021/* The set of possible program key events */ 1022static struct sonypi_event sonypi_pkeyev[] = { 1023 { 0x01, SONYPI_EVENT_PKEY_P1 }, 1024 { 0x02, SONYPI_EVENT_PKEY_P2 }, 1025 { 0x04, SONYPI_EVENT_PKEY_P3 }, 1026 { 0x5c, SONYPI_EVENT_PKEY_P1 }, 1027 { 0, 0 } 1028}; 1029 1030/* The set of possible bluetooth events */ 1031static struct sonypi_event sonypi_blueev[] = { 1032 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 1033 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 1034 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 1035 { 0, 0 } 1036}; 1037 1038/* The set of possible wireless events */ 1039static struct sonypi_event sonypi_wlessev[] = { 1040 { 0x59, SONYPI_EVENT_WIRELESS_ON }, 1041 { 0x5a, SONYPI_EVENT_WIRELESS_OFF }, 1042 { 0, 0 } 1043}; 1044 1045/* The set of possible back button events */ 1046static struct sonypi_event sonypi_backev[] = { 1047 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 1048 { 0, 0 } 1049}; 1050 1051/* The set of possible help button events */ 1052static struct sonypi_event sonypi_helpev[] = { 1053 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 1054 { 0, 0 } 1055}; 1056 1057 1058/* The set of possible lid events */ 1059static struct sonypi_event sonypi_lidev[] = { 1060 { 0x51, SONYPI_EVENT_LID_CLOSED }, 1061 { 0x50, SONYPI_EVENT_LID_OPENED }, 1062 { 0, 0 } 1063}; 1064 1065/* The set of possible zoom events */ 1066static struct sonypi_event sonypi_zoomev[] = { 1067 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 1068 { 0, 0 } 1069}; 1070 1071/* The set of possible thumbphrase events */ 1072static struct sonypi_event sonypi_thumbphraseev[] = { 1073 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 1074 { 0, 0 } 1075}; 1076 1077/* The set of possible motioneye camera events */ 1078static struct sonypi_event sonypi_meyeev[] = { 1079 { 0x00, SONYPI_EVENT_MEYE_FACE }, 1080 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 1081 { 0, 0 } 1082}; 1083 1084/* The set of possible memorystick events */ 1085static struct sonypi_event sonypi_memorystickev[] = { 1086 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 1087 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 1088 { 0, 0 } 1089}; 1090 1091/* The set of possible battery events */ 1092static struct sonypi_event sonypi_batteryev[] = { 1093 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 1094 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 1095 { 0, 0 } 1096}; 1097 1098static struct sonypi_eventtypes { 1099 int model; 1100 u8 data; 1101 unsigned long mask; 1102 struct sonypi_event * events; 1103} sony_pic_eventtypes[] = { 1104 { SONYPI_DEVICE_TYPE1, 0, 0xffffffff, sonypi_releaseev }, 1105 { SONYPI_DEVICE_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 1106 { SONYPI_DEVICE_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev }, 1107 { SONYPI_DEVICE_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1108 { SONYPI_DEVICE_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 1109 { SONYPI_DEVICE_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1110 { SONYPI_DEVICE_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 1111 { SONYPI_DEVICE_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1112 { SONYPI_DEVICE_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1113 { SONYPI_DEVICE_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1114 1115 { SONYPI_DEVICE_TYPE2, 0, 0xffffffff, sonypi_releaseev }, 1116 { SONYPI_DEVICE_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev }, 1117 { SONYPI_DEVICE_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 1118 { SONYPI_DEVICE_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1119 { SONYPI_DEVICE_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1120 { SONYPI_DEVICE_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 1121 { SONYPI_DEVICE_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1122 { SONYPI_DEVICE_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev }, 1123 { SONYPI_DEVICE_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 1124 { SONYPI_DEVICE_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 1125 { SONYPI_DEVICE_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 1126 { SONYPI_DEVICE_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1127 { SONYPI_DEVICE_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1128 { SONYPI_DEVICE_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1129 1130 { SONYPI_DEVICE_TYPE3, 0, 0xffffffff, sonypi_releaseev }, 1131 { SONYPI_DEVICE_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1132 { SONYPI_DEVICE_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 1133 { SONYPI_DEVICE_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1134 { SONYPI_DEVICE_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1135 { SONYPI_DEVICE_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1136 { 0 } 1137}; 1138 1139static int sony_pic_detect_device_type(void) 1140{ 1141 struct pci_dev *pcidev; 1142 int model = 0; 1143 1144 if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1145 PCI_DEVICE_ID_INTEL_82371AB_3, NULL))) 1146 model = SONYPI_DEVICE_TYPE1; 1147 1148 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1149 PCI_DEVICE_ID_INTEL_ICH6_1, NULL))) 1150 model = SONYPI_DEVICE_TYPE3; 1151 1152 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1153 PCI_DEVICE_ID_INTEL_ICH7_1, NULL))) 1154 model = SONYPI_DEVICE_TYPE3; 1155 1156 else 1157 model = SONYPI_DEVICE_TYPE2; 1158 1159 if (pcidev) 1160 pci_dev_put(pcidev); 1161 1162 printk(KERN_INFO DRV_PFX "detected Type%d model\n", 1163 model == SONYPI_DEVICE_TYPE1 ? 1 : 1164 model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 1165 return model; 1166} 1167 1168#define ITERATIONS_LONG 10000 1169#define ITERATIONS_SHORT 10 1170#define wait_on_command(command, iterations) { \ 1171 unsigned int n = iterations; \ 1172 while (--n && (command)) \ 1173 udelay(1); \ 1174 if (!n) \ 1175 dprintk("command failed at %s : %s (line %d)\n", \ 1176 __FILE__, __FUNCTION__, __LINE__); \ 1177} 1178 1179static u8 sony_pic_call1(u8 dev) 1180{ 1181 u8 v1, v2; 1182 1183 wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, 1184 ITERATIONS_LONG); 1185 outb(dev, spic_dev.cur_ioport->io.minimum + 4); 1186 v1 = inb_p(spic_dev.cur_ioport->io.minimum + 4); 1187 v2 = inb_p(spic_dev.cur_ioport->io.minimum); 1188 dprintk("sony_pic_call1: 0x%.4x\n", (v2 << 8) | v1); 1189 return v2; 1190} 1191 1192static u8 sony_pic_call2(u8 dev, u8 fn) 1193{ 1194 u8 v1; 1195 1196 wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, 1197 ITERATIONS_LONG); 1198 outb(dev, spic_dev.cur_ioport->io.minimum + 4); 1199 wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, 1200 ITERATIONS_LONG); 1201 outb(fn, spic_dev.cur_ioport->io.minimum); 1202 v1 = inb_p(spic_dev.cur_ioport->io.minimum); 1203 dprintk("sony_pic_call2: 0x%.4x\n", v1); 1204 return v1; 1205} 1206 1207static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 1208{ 1209 u8 v1; 1210 1211 wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG); 1212 outb(dev, spic_dev.cur_ioport->io.minimum + 4); 1213 wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG); 1214 outb(fn, spic_dev.cur_ioport->io.minimum); 1215 wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG); 1216 outb(v, spic_dev.cur_ioport->io.minimum); 1217 v1 = inb_p(spic_dev.cur_ioport->io.minimum); 1218 dprintk("sony_pic_call3: 0x%.4x\n", v1); 1219 return v1; 1220} 1221 1222/* camera tests and poweron/poweroff */ 1223#define SONYPI_CAMERA_PICTURE 5 1224#define SONYPI_CAMERA_CONTROL 0x10 1225 1226#define SONYPI_CAMERA_BRIGHTNESS 0 1227#define SONYPI_CAMERA_CONTRAST 1 1228#define SONYPI_CAMERA_HUE 2 1229#define SONYPI_CAMERA_COLOR 3 1230#define SONYPI_CAMERA_SHARPNESS 4 1231 1232#define SONYPI_CAMERA_EXPOSURE_MASK 0xC 1233#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 1234#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 1235#define SONYPI_CAMERA_MUTE_MASK 0x40 1236 1237/* the rest don't need a loop until not 0xff */ 1238#define SONYPI_CAMERA_AGC 6 1239#define SONYPI_CAMERA_AGC_MASK 0x30 1240#define SONYPI_CAMERA_SHUTTER_MASK 0x7 1241 1242#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 1243#define SONYPI_CAMERA_CONTROL 0x10 1244 1245#define SONYPI_CAMERA_STATUS 7 1246#define SONYPI_CAMERA_STATUS_READY 0x2 1247#define SONYPI_CAMERA_STATUS_POSITION 0x4 1248 1249#define SONYPI_DIRECTION_BACKWARDS 0x4 1250 1251#define SONYPI_CAMERA_REVISION 8 1252#define SONYPI_CAMERA_ROMVERSION 9 1253 1254static int __sony_pic_camera_ready(void) 1255{ 1256 u8 v; 1257 1258 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 1259 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 1260} 1261 1262static int __sony_pic_camera_off(void) 1263{ 1264 if (!camera) { 1265 printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); 1266 return -ENODEV; 1267 } 1268 1269 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 1270 SONYPI_CAMERA_MUTE_MASK), 1271 ITERATIONS_SHORT); 1272 1273 if (spic_dev.camera_power) { 1274 sony_pic_call2(0x91, 0); 1275 spic_dev.camera_power = 0; 1276 } 1277 return 0; 1278} 1279 1280static int __sony_pic_camera_on(void) 1281{ 1282 int i, j, x; 1283 1284 if (!camera) { 1285 printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); 1286 return -ENODEV; 1287 } 1288 1289 if (spic_dev.camera_power) 1290 return 0; 1291 1292 for (j = 5; j > 0; j--) { 1293 1294 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 1295 msleep(10); 1296 sony_pic_call1(0x93); 1297 1298 for (i = 400; i > 0; i--) { 1299 if (__sony_pic_camera_ready()) 1300 break; 1301 msleep(10); 1302 } 1303 if (i) 1304 break; 1305 } 1306 1307 if (j == 0) { 1308 printk(KERN_WARNING DRV_PFX "failed to power on camera\n"); 1309 return -ENODEV; 1310 } 1311 1312 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 1313 0x5a), 1314 ITERATIONS_SHORT); 1315 1316 spic_dev.camera_power = 1; 1317 return 0; 1318} 1319 1320/* External camera command (exported to the motion eye v4l driver) */ 1321int sony_pic_camera_command(int command, u8 value) 1322{ 1323 if (!camera) 1324 return -EIO; 1325 1326 mutex_lock(&spic_dev.lock); 1327 1328 switch (command) { 1329 case SONY_PIC_COMMAND_SETCAMERA: 1330 if (value) 1331 __sony_pic_camera_on(); 1332 else 1333 __sony_pic_camera_off(); 1334 break; 1335 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 1336 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 1337 ITERATIONS_SHORT); 1338 break; 1339 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 1340 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 1341 ITERATIONS_SHORT); 1342 break; 1343 case SONY_PIC_COMMAND_SETCAMERAHUE: 1344 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 1345 ITERATIONS_SHORT); 1346 break; 1347 case SONY_PIC_COMMAND_SETCAMERACOLOR: 1348 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 1349 ITERATIONS_SHORT); 1350 break; 1351 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 1352 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 1353 ITERATIONS_SHORT); 1354 break; 1355 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 1356 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 1357 ITERATIONS_SHORT); 1358 break; 1359 case SONY_PIC_COMMAND_SETCAMERAAGC: 1360 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 1361 ITERATIONS_SHORT); 1362 break; 1363 default: 1364 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n", 1365 command); 1366 break; 1367 } 1368 mutex_unlock(&spic_dev.lock); 1369 return 0; 1370} 1371EXPORT_SYMBOL(sony_pic_camera_command); 1372 1373/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 1374static void sony_pic_set_wwanpower(u8 state) 1375{ 1376 state = !!state; 1377 mutex_lock(&spic_dev.lock); 1378 if (spic_dev.wwan_power == state) { 1379 mutex_unlock(&spic_dev.lock); 1380 return; 1381 } 1382 sony_pic_call2(0xB0, state); 1383 spic_dev.wwan_power = state; 1384 mutex_unlock(&spic_dev.lock); 1385} 1386 1387static ssize_t sony_pic_wwanpower_store(struct device *dev, 1388 struct device_attribute *attr, 1389 const char *buffer, size_t count) 1390{ 1391 unsigned long value; 1392 if (count > 31) 1393 return -EINVAL; 1394 1395 value = simple_strtoul(buffer, NULL, 10); 1396 sony_pic_set_wwanpower(value); 1397 1398 return count; 1399} 1400 1401static ssize_t sony_pic_wwanpower_show(struct device *dev, 1402 struct device_attribute *attr, char *buffer) 1403{ 1404 ssize_t count; 1405 mutex_lock(&spic_dev.lock); 1406 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); 1407 mutex_unlock(&spic_dev.lock); 1408 return count; 1409} 1410 1411/* bluetooth subsystem power state */ 1412static void __sony_pic_set_bluetoothpower(u8 state) 1413{ 1414 state = !!state; 1415 if (spic_dev.bluetooth_power == state) 1416 return; 1417 sony_pic_call2(0x96, state); 1418 sony_pic_call1(0x82); 1419 spic_dev.bluetooth_power = state; 1420} 1421 1422static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 1423 struct device_attribute *attr, 1424 const char *buffer, size_t count) 1425{ 1426 unsigned long value; 1427 if (count > 31) 1428 return -EINVAL; 1429 1430 value = simple_strtoul(buffer, NULL, 10); 1431 mutex_lock(&spic_dev.lock); 1432 __sony_pic_set_bluetoothpower(value); 1433 mutex_unlock(&spic_dev.lock); 1434 1435 return count; 1436} 1437 1438static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 1439 struct device_attribute *attr, char *buffer) 1440{ 1441 ssize_t count = 0; 1442 mutex_lock(&spic_dev.lock); 1443 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); 1444 mutex_unlock(&spic_dev.lock); 1445 return count; 1446} 1447 1448/* fan speed */ 1449/* FAN0 information (reverse engineered from ACPI tables) */ 1450#define SONY_PIC_FAN0_STATUS 0x93 1451static int sony_pic_set_fanspeed(unsigned long value) 1452{ 1453 return ec_write(SONY_PIC_FAN0_STATUS, value); 1454} 1455 1456static int sony_pic_get_fanspeed(u8 *value) 1457{ 1458 return ec_read(SONY_PIC_FAN0_STATUS, value); 1459} 1460 1461static ssize_t sony_pic_fanspeed_store(struct device *dev, 1462 struct device_attribute *attr, 1463 const char *buffer, size_t count) 1464{ 1465 unsigned long value; 1466 if (count > 31) 1467 return -EINVAL; 1468 1469 value = simple_strtoul(buffer, NULL, 10); 1470 if (sony_pic_set_fanspeed(value)) 1471 return -EIO; 1472 1473 return count; 1474} 1475 1476static ssize_t sony_pic_fanspeed_show(struct device *dev, 1477 struct device_attribute *attr, char *buffer) 1478{ 1479 u8 value = 0; 1480 if (sony_pic_get_fanspeed(&value)) 1481 return -EIO; 1482 1483 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 1484} 1485 1486#define SPIC_ATTR(_name, _mode) \ 1487struct device_attribute spic_attr_##_name = __ATTR(_name, \ 1488 _mode, sony_pic_## _name ##_show, \ 1489 sony_pic_## _name ##_store) 1490 1491static SPIC_ATTR(bluetoothpower, 0644); 1492static SPIC_ATTR(wwanpower, 0644); 1493static SPIC_ATTR(fanspeed, 0644); 1494 1495static struct attribute *spic_attributes[] = { 1496 &spic_attr_bluetoothpower.attr, 1497 &spic_attr_wwanpower.attr, 1498 &spic_attr_fanspeed.attr, 1499 NULL 1500}; 1501 1502static struct attribute_group spic_attribute_group = { 1503 .attrs = spic_attributes 1504}; 1505 1506/******** SONYPI compatibility **********/ 1507#ifdef CONFIG_SONYPI_COMPAT 1508 1509/* battery / brightness / temperature addresses */ 1510#define SONYPI_BAT_FLAGS 0x81 1511#define SONYPI_LCD_LIGHT 0x96 1512#define SONYPI_BAT1_PCTRM 0xa0 1513#define SONYPI_BAT1_LEFT 0xa2 1514#define SONYPI_BAT1_MAXRT 0xa4 1515#define SONYPI_BAT2_PCTRM 0xa8 1516#define SONYPI_BAT2_LEFT 0xaa 1517#define SONYPI_BAT2_MAXRT 0xac 1518#define SONYPI_BAT1_MAXTK 0xb0 1519#define SONYPI_BAT1_FULL 0xb2 1520#define SONYPI_BAT2_MAXTK 0xb8 1521#define SONYPI_BAT2_FULL 0xba 1522#define SONYPI_TEMP_STATUS 0xC1 1523 1524struct sonypi_compat_s { 1525 struct fasync_struct *fifo_async; 1526 struct kfifo *fifo; 1527 spinlock_t fifo_lock; 1528 wait_queue_head_t fifo_proc_list; 1529 atomic_t open_count; 1530}; 1531static struct sonypi_compat_s sonypi_compat = { 1532 .open_count = ATOMIC_INIT(0), 1533}; 1534 1535static int sonypi_misc_fasync(int fd, struct file *filp, int on) 1536{ 1537 int retval; 1538 1539 retval = fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 1540 if (retval < 0) 1541 return retval; 1542 return 0; 1543} 1544 1545static int sonypi_misc_release(struct inode *inode, struct file *file) 1546{ 1547 sonypi_misc_fasync(-1, file, 0); 1548 atomic_dec(&sonypi_compat.open_count); 1549 return 0; 1550} 1551 1552static int sonypi_misc_open(struct inode *inode, struct file *file) 1553{ 1554 /* Flush input queue on first open */ 1555 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 1556 kfifo_reset(sonypi_compat.fifo); 1557 return 0; 1558} 1559 1560static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 1561 size_t count, loff_t *pos) 1562{ 1563 ssize_t ret; 1564 unsigned char c; 1565 1566 if ((kfifo_len(sonypi_compat.fifo) == 0) && 1567 (file->f_flags & O_NONBLOCK)) 1568 return -EAGAIN; 1569 1570 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 1571 kfifo_len(sonypi_compat.fifo) != 0); 1572 if (ret) 1573 return ret; 1574 1575 while (ret < count && 1576 (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) { 1577 if (put_user(c, buf++)) 1578 return -EFAULT; 1579 ret++; 1580 } 1581 1582 if (ret > 0) { 1583 struct inode *inode = file->f_path.dentry->d_inode; 1584 inode->i_atime = current_fs_time(inode->i_sb); 1585 } 1586 1587 return ret; 1588} 1589 1590static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) 1591{ 1592 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 1593 if (kfifo_len(sonypi_compat.fifo)) 1594 return POLLIN | POLLRDNORM; 1595 return 0; 1596} 1597 1598static int ec_read16(u8 addr, u16 *value) 1599{ 1600 u8 val_lb, val_hb; 1601 if (ec_read(addr, &val_lb)) 1602 return -1; 1603 if (ec_read(addr + 1, &val_hb)) 1604 return -1; 1605 *value = val_lb | (val_hb << 8); 1606 return 0; 1607} 1608 1609static int sonypi_misc_ioctl(struct inode *ip, struct file *fp, 1610 unsigned int cmd, unsigned long arg) 1611{ 1612 int ret = 0; 1613 void __user *argp = (void __user *)arg; 1614 u8 val8; 1615 u16 val16; 1616 int value; 1617 1618 mutex_lock(&spic_dev.lock); 1619 switch (cmd) { 1620 case SONYPI_IOCGBRT: 1621 if (sony_backlight_device == NULL) { 1622 ret = -EIO; 1623 break; 1624 } 1625 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) { 1626 ret = -EIO; 1627 break; 1628 } 1629 val8 = ((value & 0xff) - 1) << 5; 1630 if (copy_to_user(argp, &val8, sizeof(val8))) 1631 ret = -EFAULT; 1632 break; 1633 case SONYPI_IOCSBRT: 1634 if (sony_backlight_device == NULL) { 1635 ret = -EIO; 1636 break; 1637 } 1638 if (copy_from_user(&val8, argp, sizeof(val8))) { 1639 ret = -EFAULT; 1640 break; 1641 } 1642 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT", 1643 (val8 >> 5) + 1, NULL)) { 1644 ret = -EIO; 1645 break; 1646 } 1647 /* sync the backlight device status */ 1648 sony_backlight_device->props.brightness = 1649 sony_backlight_get_brightness(sony_backlight_device); 1650 break; 1651 case SONYPI_IOCGBAT1CAP: 1652 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 1653 ret = -EIO; 1654 break; 1655 } 1656 if (copy_to_user(argp, &val16, sizeof(val16))) 1657 ret = -EFAULT; 1658 break; 1659 case SONYPI_IOCGBAT1REM: 1660 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 1661 ret = -EIO; 1662 break; 1663 } 1664 if (copy_to_user(argp, &val16, sizeof(val16))) 1665 ret = -EFAULT; 1666 break; 1667 case SONYPI_IOCGBAT2CAP: 1668 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 1669 ret = -EIO; 1670 break; 1671 } 1672 if (copy_to_user(argp, &val16, sizeof(val16))) 1673 ret = -EFAULT; 1674 break; 1675 case SONYPI_IOCGBAT2REM: 1676 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 1677 ret = -EIO; 1678 break; 1679 } 1680 if (copy_to_user(argp, &val16, sizeof(val16))) 1681 ret = -EFAULT; 1682 break; 1683 case SONYPI_IOCGBATFLAGS: 1684 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 1685 ret = -EIO; 1686 break; 1687 } 1688 val8 &= 0x07; 1689 if (copy_to_user(argp, &val8, sizeof(val8))) 1690 ret = -EFAULT; 1691 break; 1692 case SONYPI_IOCGBLUE: 1693 val8 = spic_dev.bluetooth_power; 1694 if (copy_to_user(argp, &val8, sizeof(val8))) 1695 ret = -EFAULT; 1696 break; 1697 case SONYPI_IOCSBLUE: 1698 if (copy_from_user(&val8, argp, sizeof(val8))) { 1699 ret = -EFAULT; 1700 break; 1701 } 1702 __sony_pic_set_bluetoothpower(val8); 1703 break; 1704 /* FAN Controls */ 1705 case SONYPI_IOCGFAN: 1706 if (sony_pic_get_fanspeed(&val8)) { 1707 ret = -EIO; 1708 break; 1709 } 1710 if (copy_to_user(argp, &val8, sizeof(val8))) 1711 ret = -EFAULT; 1712 break; 1713 case SONYPI_IOCSFAN: 1714 if (copy_from_user(&val8, argp, sizeof(val8))) { 1715 ret = -EFAULT; 1716 break; 1717 } 1718 if (sony_pic_set_fanspeed(val8)) 1719 ret = -EIO; 1720 break; 1721 /* GET Temperature (useful under APM) */ 1722 case SONYPI_IOCGTEMP: 1723 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 1724 ret = -EIO; 1725 break; 1726 } 1727 if (copy_to_user(argp, &val8, sizeof(val8))) 1728 ret = -EFAULT; 1729 break; 1730 default: 1731 ret = -EINVAL; 1732 } 1733 mutex_unlock(&spic_dev.lock); 1734 return ret; 1735} 1736 1737static const struct file_operations sonypi_misc_fops = { 1738 .owner = THIS_MODULE, 1739 .read = sonypi_misc_read, 1740 .poll = sonypi_misc_poll, 1741 .open = sonypi_misc_open, 1742 .release = sonypi_misc_release, 1743 .fasync = sonypi_misc_fasync, 1744 .ioctl = sonypi_misc_ioctl, 1745}; 1746 1747static struct miscdevice sonypi_misc_device = { 1748 .minor = MISC_DYNAMIC_MINOR, 1749 .name = "sonypi", 1750 .fops = &sonypi_misc_fops, 1751}; 1752 1753static void sonypi_compat_report_event(u8 event) 1754{ 1755 kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event)); 1756 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 1757 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 1758} 1759 1760static int sonypi_compat_init(void) 1761{ 1762 int error; 1763 1764 spin_lock_init(&sonypi_compat.fifo_lock); 1765 sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL, 1766 &sonypi_compat.fifo_lock); 1767 if (IS_ERR(sonypi_compat.fifo)) { 1768 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n"); 1769 return PTR_ERR(sonypi_compat.fifo); 1770 } 1771 1772 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 1773 1774 if (minor != -1) 1775 sonypi_misc_device.minor = minor; 1776 error = misc_register(&sonypi_misc_device); 1777 if (error) { 1778 printk(KERN_ERR DRV_PFX "misc_register failed\n"); 1779 goto err_free_kfifo; 1780 } 1781 if (minor == -1) 1782 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n", 1783 sonypi_misc_device.minor); 1784 1785 return 0; 1786 1787err_free_kfifo: 1788 kfifo_free(sonypi_compat.fifo); 1789 return error; 1790} 1791 1792static void sonypi_compat_exit(void) 1793{ 1794 misc_deregister(&sonypi_misc_device); 1795 kfifo_free(sonypi_compat.fifo); 1796} 1797#else 1798static int sonypi_compat_init(void) { return 0; } 1799static void sonypi_compat_exit(void) { } 1800static void sonypi_compat_report_event(u8 event) { } 1801#endif /* CONFIG_SONYPI_COMPAT */ 1802 1803/* 1804 * ACPI callbacks 1805 */ 1806static acpi_status 1807sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 1808{ 1809 u32 i; 1810 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 1811 1812 switch (resource->type) { 1813 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 1814 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 1815 return AE_OK; 1816 1817 case ACPI_RESOURCE_TYPE_IRQ: 1818 { 1819 struct acpi_resource_irq *p = &resource->data.irq; 1820 struct sony_pic_irq *interrupt = NULL; 1821 if (!p || !p->interrupt_count) { 1822 /* 1823 * IRQ descriptors may have no IRQ# bits set, 1824 * particularly those those w/ _STA disabled 1825 */ 1826 dprintk("Blank IRQ resource\n"); 1827 return AE_OK; 1828 } 1829 for (i = 0; i < p->interrupt_count; i++) { 1830 if (!p->interrupts[i]) { 1831 printk(KERN_WARNING DRV_PFX 1832 "Invalid IRQ %d\n", 1833 p->interrupts[i]); 1834 continue; 1835 } 1836 interrupt = kzalloc(sizeof(*interrupt), 1837 GFP_KERNEL); 1838 if (!interrupt) 1839 return AE_ERROR; 1840 1841 list_add_tail(&interrupt->list, &dev->interrupts); 1842 interrupt->irq.triggering = p->triggering; 1843 interrupt->irq.polarity = p->polarity; 1844 interrupt->irq.sharable = p->sharable; 1845 interrupt->irq.interrupt_count = 1; 1846 interrupt->irq.interrupts[0] = p->interrupts[i]; 1847 } 1848 return AE_OK; 1849 } 1850 case ACPI_RESOURCE_TYPE_IO: 1851 { 1852 struct acpi_resource_io *io = &resource->data.io; 1853 struct sony_pic_ioport *ioport = NULL; 1854 if (!io) { 1855 dprintk("Blank IO resource\n"); 1856 return AE_OK; 1857 } 1858 1859 ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 1860 if (!ioport) 1861 return AE_ERROR; 1862 1863 list_add_tail(&ioport->list, &dev->ioports); 1864 memcpy(&ioport->io, io, sizeof(*io)); 1865 return AE_OK; 1866 } 1867 default: 1868 dprintk("Resource %d isn't an IRQ nor an IO port\n", 1869 resource->type); 1870 1871 case ACPI_RESOURCE_TYPE_END_TAG: 1872 return AE_OK; 1873 } 1874 return AE_CTRL_TERMINATE; 1875} 1876 1877static int sony_pic_possible_resources(struct acpi_device *device) 1878{ 1879 int result = 0; 1880 acpi_status status = AE_OK; 1881 1882 if (!device) 1883 return -EINVAL; 1884 1885 /* get device status */ 1886 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 1887 dprintk("Evaluating _STA\n"); 1888 result = acpi_bus_get_status(device); 1889 if (result) { 1890 printk(KERN_WARNING DRV_PFX "Unable to read status\n"); 1891 goto end; 1892 } 1893 1894 if (!device->status.enabled) 1895 dprintk("Device disabled\n"); 1896 else 1897 dprintk("Device enabled\n"); 1898 1899 /* 1900 * Query and parse 'method' 1901 */ 1902 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 1903 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 1904 sony_pic_read_possible_resource, &spic_dev); 1905 if (ACPI_FAILURE(status)) { 1906 printk(KERN_WARNING DRV_PFX 1907 "Failure evaluating %s\n", 1908 METHOD_NAME__PRS); 1909 result = -ENODEV; 1910 } 1911end: 1912 return result; 1913} 1914 1915/* 1916 * Disable the spic device by calling its _DIS method 1917 */ 1918static int sony_pic_disable(struct acpi_device *device) 1919{ 1920 if (ACPI_FAILURE(acpi_evaluate_object(device->handle, "_DIS", 0, NULL))) 1921 return -ENXIO; 1922 1923 dprintk("Device disabled\n"); 1924 return 0; 1925} 1926 1927 1928/* 1929 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 1930 * 1931 * Call _SRS to set current resources 1932 */ 1933static int sony_pic_enable(struct acpi_device *device, 1934 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 1935{ 1936 acpi_status status; 1937 int result = 0; 1938 struct { 1939 struct acpi_resource io_res; 1940 struct acpi_resource irq_res; 1941 struct acpi_resource end; 1942 } *resource; 1943 struct acpi_buffer buffer = { 0, NULL }; 1944 1945 if (!ioport || !irq) 1946 return -EINVAL; 1947 1948 /* init acpi_buffer */ 1949 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 1950 if (!resource) 1951 return -ENOMEM; 1952 1953 buffer.length = sizeof(*resource) + 1; 1954 buffer.pointer = resource; 1955 1956 /* setup io resource */ 1957 resource->io_res.type = ACPI_RESOURCE_TYPE_IO; 1958 resource->io_res.length = sizeof(struct acpi_resource); 1959 memcpy(&resource->io_res.data.io, &ioport->io, 1960 sizeof(struct acpi_resource_io)); 1961 1962 /* setup irq resource */ 1963 resource->irq_res.type = ACPI_RESOURCE_TYPE_IRQ; 1964 resource->irq_res.length = sizeof(struct acpi_resource); 1965 memcpy(&resource->irq_res.data.irq, &irq->irq, 1966 sizeof(struct acpi_resource_irq)); 1967 /* we requested a shared irq */ 1968 resource->irq_res.data.irq.sharable = ACPI_SHARED; 1969 1970 resource->end.type = ACPI_RESOURCE_TYPE_END_TAG; 1971 1972 /* Attempt to set the resource */ 1973 dprintk("Evaluating _SRS\n"); 1974 status = acpi_set_current_resources(device->handle, &buffer); 1975 1976 /* check for total failure */ 1977 if (ACPI_FAILURE(status)) { 1978 printk(KERN_ERR DRV_PFX "Error evaluating _SRS"); 1979 result = -ENODEV; 1980 goto end; 1981 } 1982 1983 /* Necessary device initializations calls (from sonypi) */ 1984 sony_pic_call1(0x82); 1985 sony_pic_call2(0x81, 0xff); 1986 sony_pic_call1(compat ? 0x92 : 0x82); 1987 1988end: 1989 kfree(resource); 1990 return result; 1991} 1992 1993/***************** 1994 * 1995 * ISR: some event is available 1996 * 1997 *****************/ 1998static irqreturn_t sony_pic_irq(int irq, void *dev_id) 1999{ 2000 int i, j; 2001 u32 port_val = 0; 2002 u8 ev = 0; 2003 u8 data_mask = 0; 2004 u8 device_event = 0; 2005 2006 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 2007 2008 acpi_os_read_port(dev->cur_ioport->io.minimum, &port_val, 2009 dev->cur_ioport->io.address_length); 2010 ev = port_val & SONY_PIC_EV_MASK; 2011 data_mask = 0xff & (port_val >> (dev->cur_ioport->io.address_length - 8)); 2012 2013 dprintk("event (0x%.8x [%.2x] [%.2x]) at port 0x%.4x\n", 2014 port_val, ev, data_mask, dev->cur_ioport->io.minimum); 2015 2016 if (ev == 0x00 || ev == 0xff) 2017 return IRQ_HANDLED; 2018 2019 for (i = 0; sony_pic_eventtypes[i].model; i++) { 2020 2021 if (spic_dev.model != sony_pic_eventtypes[i].model) 2022 continue; 2023 2024 if ((data_mask & sony_pic_eventtypes[i].data) != 2025 sony_pic_eventtypes[i].data) 2026 continue; 2027 2028 if (!(mask & sony_pic_eventtypes[i].mask)) 2029 continue; 2030 2031 for (j = 0; sony_pic_eventtypes[i].events[j].event; j++) { 2032 if (ev == sony_pic_eventtypes[i].events[j].data) { 2033 device_event = 2034 sony_pic_eventtypes[i].events[j].event; 2035 goto found; 2036 } 2037 } 2038 } 2039 return IRQ_HANDLED; 2040 2041found: 2042 sony_laptop_report_input_event(device_event); 2043 acpi_bus_generate_event(spic_dev.acpi_dev, 1, device_event); 2044 sonypi_compat_report_event(device_event); 2045 2046 return IRQ_HANDLED; 2047} 2048 2049/***************** 2050 * 2051 * ACPI driver 2052 * 2053 *****************/ 2054static int sony_pic_remove(struct acpi_device *device, int type) 2055{ 2056 struct sony_pic_ioport *io, *tmp_io; 2057 struct sony_pic_irq *irq, *tmp_irq; 2058 2059 sonypi_compat_exit(); 2060 2061 if (sony_pic_disable(device)) { 2062 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n"); 2063 return -ENXIO; 2064 } 2065 2066 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 2067 release_region(spic_dev.cur_ioport->io.minimum, 2068 spic_dev.cur_ioport->io.address_length); 2069 2070 sony_laptop_remove_input(); 2071 2072 /* pf attrs */ 2073 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 2074 sony_pf_remove(); 2075 2076 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 2077 list_del(&io->list); 2078 kfree(io); 2079 } 2080 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 2081 list_del(&irq->list); 2082 kfree(irq); 2083 } 2084 spic_dev.cur_ioport = NULL; 2085 spic_dev.cur_irq = NULL; 2086 2087 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 2088 return 0; 2089} 2090 2091static int sony_pic_add(struct acpi_device *device) 2092{ 2093 int result; 2094 struct sony_pic_ioport *io, *tmp_io; 2095 struct sony_pic_irq *irq, *tmp_irq; 2096 2097 printk(KERN_INFO DRV_PFX "%s v%s.\n", 2098 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 2099 2100 spic_dev.acpi_dev = device; 2101 strcpy(acpi_device_class(device), "sony/hotkey"); 2102 spic_dev.model = sony_pic_detect_device_type(); 2103 mutex_init(&spic_dev.lock); 2104 2105 /* read _PRS resources */ 2106 result = sony_pic_possible_resources(device); 2107 if (result) { 2108 printk(KERN_ERR DRV_PFX 2109 "Unabe to read possible resources.\n"); 2110 goto err_free_resources; 2111 } 2112 2113 /* setup input devices and helper fifo */ 2114 result = sony_laptop_setup_input(); 2115 if (result) { 2116 printk(KERN_ERR DRV_PFX 2117 "Unabe to create input devices.\n"); 2118 goto err_free_resources; 2119 } 2120 2121 /* request io port */ 2122 list_for_each_entry(io, &spic_dev.ioports, list) { 2123 if (request_region(io->io.minimum, io->io.address_length, 2124 "Sony Programable I/O Device")) { 2125 dprintk("I/O port: 0x%.4x (0x%.4x) + 0x%.2x\n", 2126 io->io.minimum, io->io.maximum, 2127 io->io.address_length); 2128 spic_dev.cur_ioport = io; 2129 break; 2130 } 2131 } 2132 if (!spic_dev.cur_ioport) { 2133 printk(KERN_ERR DRV_PFX "Failed to request_region.\n"); 2134 result = -ENODEV; 2135 goto err_remove_input; 2136 } 2137 2138 /* request IRQ */ 2139 list_for_each_entry(irq, &spic_dev.interrupts, list) { 2140 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 2141 IRQF_SHARED, "sony-laptop", &spic_dev)) { 2142 dprintk("IRQ: %d - triggering: %d - " 2143 "polarity: %d - shr: %d\n", 2144 irq->irq.interrupts[0], 2145 irq->irq.triggering, 2146 irq->irq.polarity, 2147 irq->irq.sharable); 2148 spic_dev.cur_irq = irq; 2149 break; 2150 } 2151 } 2152 if (!spic_dev.cur_irq) { 2153 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n"); 2154 result = -ENODEV; 2155 goto err_release_region; 2156 } 2157 2158 /* set resource status _SRS */ 2159 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 2160 if (result) { 2161 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n"); 2162 goto err_free_irq; 2163 } 2164 2165 spic_dev.bluetooth_power = -1; 2166 /* create device attributes */ 2167 result = sony_pf_add(); 2168 if (result) 2169 goto err_disable_device; 2170 2171 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 2172 if (result) 2173 goto err_remove_pf; 2174 2175 if (sonypi_compat_init()) 2176 goto err_remove_pf; 2177 2178 return 0; 2179 2180err_remove_pf: 2181 sony_pf_remove(); 2182 2183err_disable_device: 2184 sony_pic_disable(device); 2185 2186err_free_irq: 2187 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 2188 2189err_release_region: 2190 release_region(spic_dev.cur_ioport->io.minimum, 2191 spic_dev.cur_ioport->io.address_length); 2192 2193err_remove_input: 2194 sony_laptop_remove_input(); 2195 2196err_free_resources: 2197 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 2198 list_del(&io->list); 2199 kfree(io); 2200 } 2201 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 2202 list_del(&irq->list); 2203 kfree(irq); 2204 } 2205 spic_dev.cur_ioport = NULL; 2206 spic_dev.cur_irq = NULL; 2207 2208 return result; 2209} 2210 2211static int sony_pic_suspend(struct acpi_device *device, pm_message_t state) 2212{ 2213 if (sony_pic_disable(device)) 2214 return -ENXIO; 2215 return 0; 2216} 2217 2218static int sony_pic_resume(struct acpi_device *device) 2219{ 2220 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 2221 return 0; 2222} 2223 2224static struct acpi_driver sony_pic_driver = { 2225 .name = SONY_PIC_DRIVER_NAME, 2226 .class = SONY_PIC_CLASS, 2227 .ids = SONY_PIC_HID, 2228 .owner = THIS_MODULE, 2229 .ops = { 2230 .add = sony_pic_add, 2231 .remove = sony_pic_remove, 2232 .suspend = sony_pic_suspend, 2233 .resume = sony_pic_resume, 2234 }, 2235}; 2236 2237static struct dmi_system_id __initdata sonypi_dmi_table[] = { 2238 { 2239 .ident = "Sony Vaio", 2240 .matches = { 2241 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 2242 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 2243 }, 2244 }, 2245 { 2246 .ident = "Sony Vaio", 2247 .matches = { 2248 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 2249 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 2250 }, 2251 }, 2252 { } 2253}; 2254 2255static int __init sony_laptop_init(void) 2256{ 2257 int result; 2258 2259 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 2260 result = acpi_bus_register_driver(&sony_pic_driver); 2261 if (result) { 2262 printk(KERN_ERR DRV_PFX 2263 "Unable to register SPIC driver."); 2264 goto out; 2265 } 2266 } 2267 2268 result = acpi_bus_register_driver(&sony_nc_driver); 2269 if (result) { 2270 printk(KERN_ERR DRV_PFX "Unable to register SNC driver."); 2271 goto out_unregister_pic; 2272 } 2273 2274 return 0; 2275 2276out_unregister_pic: 2277 if (!no_spic) 2278 acpi_bus_unregister_driver(&sony_pic_driver); 2279out: 2280 return result; 2281} 2282 2283static void __exit sony_laptop_exit(void) 2284{ 2285 acpi_bus_unregister_driver(&sony_nc_driver); 2286 if (!no_spic) 2287 acpi_bus_unregister_driver(&sony_pic_driver); 2288} 2289 2290module_init(sony_laptop_init); 2291module_exit(sony_laptop_exit); 2292