sony-laptop.c 89.8 KB
Newer Older
1
/*
2
 * ACPI Sony Notebook Control Driver (SNC and SPIC)
3 4
 *
 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
M
Mattia Dongili 已提交
5
 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
6 7 8 9
 *
 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
 * which are copyrighted by their respective authors.
 *
10 11 12 13 14 15 16
 * The SNY6001 driver part is based on the sonypi driver which includes
 * material from:
 *
 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
 *
 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
 *
M
Marcin Garski 已提交
17
 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
18 19 20 21 22 23 24 25 26 27 28
 *
 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
 *
 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
 *
 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
 *
 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
 *
 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
 *
29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

45 46
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

47 48 49 50 51
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/types.h>
52
#include <linux/backlight.h>
53
#include <linux/platform_device.h>
54
#include <linux/err.h>
55 56 57 58 59 60 61 62
#include <linux/dmi.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/kfifo.h>
#include <linux/workqueue.h>
#include <linux/acpi.h>
63
#include <linux/slab.h>
64 65 66
#include <acpi/acpi_drivers.h>
#include <acpi/acpi_bus.h>
#include <asm/uaccess.h>
67
#include <linux/sonypi.h>
68
#include <linux/sony-laptop.h>
69
#include <linux/rfkill.h>
70
#ifdef CONFIG_SONYPI_COMPAT
71 72 73
#include <linux/poll.h>
#include <linux/miscdevice.h>
#endif
74

75 76 77 78
#define dprintk(fmt, ...)			\
do {						\
	if (debug)				\
		pr_warn(fmt, ##__VA_ARGS__);	\
79 80
} while (0)

81
#define SONY_LAPTOP_DRIVER_VERSION	"0.6"
82 83

#define SONY_NC_CLASS		"sony-nc"
84
#define SONY_NC_HID		"SNY5001"
85
#define SONY_NC_DRIVER_NAME	"Sony Notebook Control Driver"
86

87 88
#define SONY_PIC_CLASS		"sony-pic"
#define SONY_PIC_HID		"SNY6001"
89
#define SONY_PIC_DRIVER_NAME	"Sony Programmable IO Control Driver"
90

91
MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
92
MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
93
MODULE_LICENSE("GPL");
94
MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
95 96 97 98

static int debug;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
L
Len Brown 已提交
99
		 "the development of this driver");
100

101 102 103 104 105 106 107 108
static int no_spic;		/* = 0 */
module_param(no_spic, int, 0444);
MODULE_PARM_DESC(no_spic,
		 "set this if you don't want to enable the SPIC device");

static int compat;		/* = 0 */
module_param(compat, int, 0444);
MODULE_PARM_DESC(compat,
109
		 "set this if you want to enable backward compatibility mode");
110 111 112 113 114 115

static unsigned long mask = 0xffffffff;
module_param(mask, ulong, 0644);
MODULE_PARM_DESC(mask,
		 "set this to the mask of event you want to enable (see doc)");

116 117 118 119 120 121
static int camera;		/* = 0 */
module_param(camera, int, 0444);
MODULE_PARM_DESC(camera,
		 "set this to 1 to enable Motion Eye camera controls "
		 "(only use it if you have a C1VE or C1VN model)");

122
#ifdef CONFIG_SONYPI_COMPAT
123 124 125 126 127 128 129
static int minor = -1;
module_param(minor, int, 0);
MODULE_PARM_DESC(minor,
		 "minor number of the misc device for the SPIC compatibility code, "
		 "default is -1 (automatic)");
#endif

130
static int kbd_backlight = 1;
131 132 133 134 135 136 137 138 139 140 141 142
module_param(kbd_backlight, int, 0444);
MODULE_PARM_DESC(kbd_backlight,
		 "set this to 0 to disable keyboard backlight, "
		 "1 to enable it (default: 0)");

static int kbd_backlight_timeout;	/* = 0 */
module_param(kbd_backlight_timeout, int, 0444);
MODULE_PARM_DESC(kbd_backlight_timeout,
		 "set this to 0 to set the default 10 seconds timeout, "
		 "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
		 "(default: 0)");

143
static void sony_nc_kbd_backlight_resume(void);
144 145
static void sony_nc_kbd_backlight_setup(struct platform_device *pd);
static int sony_nc_kbd_backlight_cleanup(struct platform_device *pd);
146

147 148 149 150 151
enum sony_nc_rfkill {
	SONY_WIFI,
	SONY_BLUETOOTH,
	SONY_WWAN,
	SONY_WIMAX,
J
Johannes Berg 已提交
152
	N_SONY_RFKILL,
153 154
};

155
static int sony_rfkill_handle;
J
Johannes Berg 已提交
156 157
static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
158 159
static void sony_nc_rfkill_setup(struct acpi_device *device);
static void sony_nc_rfkill_cleanup(void);
160 161
static void sony_nc_rfkill_update(void);

162 163 164 165 166 167 168
/*********** Input Devices ***********/

#define SONY_LAPTOP_BUF_SIZE	128
struct sony_laptop_input_s {
	atomic_t		users;
	struct input_dev	*jog_dev;
	struct input_dev	*key_dev;
169
	struct kfifo		fifo;
170
	spinlock_t		fifo_lock;
171
	struct timer_list	release_key_timer;
172
};
173

174 175 176 177 178 179 180 181 182
static struct sony_laptop_input_s sony_laptop_input = {
	.users = ATOMIC_INIT(0),
};

struct sony_laptop_keypress {
	struct input_dev *dev;
	int key;
};

183 184 185 186
/* Correspondance table between sonypi events
 * and input layer indexes in the keymap
 */
static int sony_laptop_input_index[] = {
M
Mattia Dongili 已提交
187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250
	-1,	/*  0 no event */
	-1,	/*  1 SONYPI_EVENT_JOGDIAL_DOWN */
	-1,	/*  2 SONYPI_EVENT_JOGDIAL_UP */
	-1,	/*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
	-1,	/*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
	-1,	/*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
	-1,	/*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
	 0,	/*  7 SONYPI_EVENT_CAPTURE_PRESSED */
	 1,	/*  8 SONYPI_EVENT_CAPTURE_RELEASED */
	 2,	/*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
	 3,	/* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
	 4,	/* 11 SONYPI_EVENT_FNKEY_ESC */
	 5,	/* 12 SONYPI_EVENT_FNKEY_F1 */
	 6,	/* 13 SONYPI_EVENT_FNKEY_F2 */
	 7,	/* 14 SONYPI_EVENT_FNKEY_F3 */
	 8,	/* 15 SONYPI_EVENT_FNKEY_F4 */
	 9,	/* 16 SONYPI_EVENT_FNKEY_F5 */
	10,	/* 17 SONYPI_EVENT_FNKEY_F6 */
	11,	/* 18 SONYPI_EVENT_FNKEY_F7 */
	12,	/* 19 SONYPI_EVENT_FNKEY_F8 */
	13,	/* 20 SONYPI_EVENT_FNKEY_F9 */
	14,	/* 21 SONYPI_EVENT_FNKEY_F10 */
	15,	/* 22 SONYPI_EVENT_FNKEY_F11 */
	16,	/* 23 SONYPI_EVENT_FNKEY_F12 */
	17,	/* 24 SONYPI_EVENT_FNKEY_1 */
	18,	/* 25 SONYPI_EVENT_FNKEY_2 */
	19,	/* 26 SONYPI_EVENT_FNKEY_D */
	20,	/* 27 SONYPI_EVENT_FNKEY_E */
	21,	/* 28 SONYPI_EVENT_FNKEY_F */
	22,	/* 29 SONYPI_EVENT_FNKEY_S */
	23,	/* 30 SONYPI_EVENT_FNKEY_B */
	24,	/* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
	25,	/* 32 SONYPI_EVENT_PKEY_P1 */
	26,	/* 33 SONYPI_EVENT_PKEY_P2 */
	27,	/* 34 SONYPI_EVENT_PKEY_P3 */
	28,	/* 35 SONYPI_EVENT_BACK_PRESSED */
	-1,	/* 36 SONYPI_EVENT_LID_CLOSED */
	-1,	/* 37 SONYPI_EVENT_LID_OPENED */
	29,	/* 38 SONYPI_EVENT_BLUETOOTH_ON */
	30,	/* 39 SONYPI_EVENT_BLUETOOTH_OFF */
	31,	/* 40 SONYPI_EVENT_HELP_PRESSED */
	32,	/* 41 SONYPI_EVENT_FNKEY_ONLY */
	33,	/* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
	34,	/* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
	35,	/* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
	36,	/* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
	37,	/* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
	38,	/* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
	39,	/* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
	40,	/* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
	41,	/* 50 SONYPI_EVENT_ZOOM_PRESSED */
	42,	/* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
	43,	/* 52 SONYPI_EVENT_MEYE_FACE */
	44,	/* 53 SONYPI_EVENT_MEYE_OPPOSITE */
	45,	/* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
	46,	/* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
	-1,	/* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
	-1,	/* 57 SONYPI_EVENT_BATTERY_INSERT */
	-1,	/* 58 SONYPI_EVENT_BATTERY_REMOVE */
	-1,	/* 59 SONYPI_EVENT_FNKEY_RELEASED */
	47,	/* 60 SONYPI_EVENT_WIRELESS_ON */
	48,	/* 61 SONYPI_EVENT_WIRELESS_OFF */
	49,	/* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
	50,	/* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
251
	51,	/* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
252 253 254 255
	52,	/* 65 SONYPI_EVENT_MODEKEY_PRESSED */
	53,	/* 66 SONYPI_EVENT_PKEY_P4 */
	54,	/* 67 SONYPI_EVENT_PKEY_P5 */
	55,	/* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
256 257 258
	56,	/* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
	57,	/* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
	-1,	/* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
259
	58,	/* 72 SONYPI_EVENT_MEDIA_PRESSED */
260
	59,	/* 72 SONYPI_EVENT_VENDOR_PRESSED */
261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312
};

static int sony_laptop_input_keycode_map[] = {
	KEY_CAMERA,	/*  0 SONYPI_EVENT_CAPTURE_PRESSED */
	KEY_RESERVED,	/*  1 SONYPI_EVENT_CAPTURE_RELEASED */
	KEY_RESERVED,	/*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
	KEY_RESERVED,	/*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
	KEY_FN_ESC,	/*  4 SONYPI_EVENT_FNKEY_ESC */
	KEY_FN_F1,	/*  5 SONYPI_EVENT_FNKEY_F1 */
	KEY_FN_F2,	/*  6 SONYPI_EVENT_FNKEY_F2 */
	KEY_FN_F3,	/*  7 SONYPI_EVENT_FNKEY_F3 */
	KEY_FN_F4,	/*  8 SONYPI_EVENT_FNKEY_F4 */
	KEY_FN_F5,	/*  9 SONYPI_EVENT_FNKEY_F5 */
	KEY_FN_F6,	/* 10 SONYPI_EVENT_FNKEY_F6 */
	KEY_FN_F7,	/* 11 SONYPI_EVENT_FNKEY_F7 */
	KEY_FN_F8,	/* 12 SONYPI_EVENT_FNKEY_F8 */
	KEY_FN_F9,	/* 13 SONYPI_EVENT_FNKEY_F9 */
	KEY_FN_F10,	/* 14 SONYPI_EVENT_FNKEY_F10 */
	KEY_FN_F11,	/* 15 SONYPI_EVENT_FNKEY_F11 */
	KEY_FN_F12,	/* 16 SONYPI_EVENT_FNKEY_F12 */
	KEY_FN_F1,	/* 17 SONYPI_EVENT_FNKEY_1 */
	KEY_FN_F2,	/* 18 SONYPI_EVENT_FNKEY_2 */
	KEY_FN_D,	/* 19 SONYPI_EVENT_FNKEY_D */
	KEY_FN_E,	/* 20 SONYPI_EVENT_FNKEY_E */
	KEY_FN_F,	/* 21 SONYPI_EVENT_FNKEY_F */
	KEY_FN_S,	/* 22 SONYPI_EVENT_FNKEY_S */
	KEY_FN_B,	/* 23 SONYPI_EVENT_FNKEY_B */
	KEY_BLUETOOTH,	/* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
	KEY_PROG1,	/* 25 SONYPI_EVENT_PKEY_P1 */
	KEY_PROG2,	/* 26 SONYPI_EVENT_PKEY_P2 */
	KEY_PROG3,	/* 27 SONYPI_EVENT_PKEY_P3 */
	KEY_BACK,	/* 28 SONYPI_EVENT_BACK_PRESSED */
	KEY_BLUETOOTH,	/* 29 SONYPI_EVENT_BLUETOOTH_ON */
	KEY_BLUETOOTH,	/* 30 SONYPI_EVENT_BLUETOOTH_OFF */
	KEY_HELP,	/* 31 SONYPI_EVENT_HELP_PRESSED */
	KEY_FN,		/* 32 SONYPI_EVENT_FNKEY_ONLY */
	KEY_RESERVED,	/* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
	KEY_RESERVED,	/* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
	KEY_RESERVED,	/* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
	KEY_RESERVED,	/* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
	KEY_RESERVED,	/* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
	KEY_RESERVED,	/* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
	KEY_RESERVED,	/* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
	KEY_RESERVED,	/* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
	KEY_ZOOM,	/* 41 SONYPI_EVENT_ZOOM_PRESSED */
	BTN_THUMB,	/* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
	KEY_RESERVED,	/* 43 SONYPI_EVENT_MEYE_FACE */
	KEY_RESERVED,	/* 44 SONYPI_EVENT_MEYE_OPPOSITE */
	KEY_RESERVED,	/* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
	KEY_RESERVED,	/* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
	KEY_WLAN,	/* 47 SONYPI_EVENT_WIRELESS_ON */
	KEY_WLAN,	/* 48 SONYPI_EVENT_WIRELESS_OFF */
M
Mattia Dongili 已提交
313
	KEY_ZOOMIN,	/* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
314
	KEY_ZOOMOUT,	/* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
315 316 317 318 319
	KEY_EJECTCD,	/* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
	KEY_F13,	/* 52 SONYPI_EVENT_MODEKEY_PRESSED */
	KEY_PROG4,	/* 53 SONYPI_EVENT_PKEY_P4 */
	KEY_F14,	/* 54 SONYPI_EVENT_PKEY_P5 */
	KEY_F15,	/* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
320 321
	KEY_VOLUMEUP,	/* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
	KEY_VOLUMEDOWN,	/* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
322
	KEY_MEDIA,	/* 58 SONYPI_EVENT_MEDIA_PRESSED */
323
	KEY_VENDOR,	/* 59 SONYPI_EVENT_VENDOR_PRESSED */
324 325 326
};

/* release buttons after a short delay if pressed */
327
static void do_sony_laptop_release_key(unsigned long unused)
328 329
{
	struct sony_laptop_keypress kp;
330
	unsigned long flags;
331

332 333 334 335
	spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);

	if (kfifo_out(&sony_laptop_input.fifo,
		      (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
336 337 338
		input_report_key(kp.dev, kp.key, 0);
		input_sync(kp.dev);
	}
339 340 341

	/* If there is something in the fifo schedule next release. */
	if (kfifo_len(&sony_laptop_input.fifo) != 0)
342 343
		mod_timer(&sony_laptop_input.release_key_timer,
			  jiffies + msecs_to_jiffies(10));
344 345

	spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
346 347
}

348
/* forward event to the input subsystem */
349 350 351 352 353
static void sony_laptop_report_input_event(u8 event)
{
	struct input_dev *jog_dev = sony_laptop_input.jog_dev;
	struct input_dev *key_dev = sony_laptop_input.key_dev;
	struct sony_laptop_keypress kp = { NULL };
354
	int scancode = -1;
355

356 357
	if (event == SONYPI_EVENT_FNKEY_RELEASED ||
			event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383
		/* Nothing, not all VAIOs generate this event */
		return;
	}

	/* report events */
	switch (event) {
	/* jog_dev events */
	case SONYPI_EVENT_JOGDIAL_UP:
	case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
		input_report_rel(jog_dev, REL_WHEEL, 1);
		input_sync(jog_dev);
		return;

	case SONYPI_EVENT_JOGDIAL_DOWN:
	case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
		input_report_rel(jog_dev, REL_WHEEL, -1);
		input_sync(jog_dev);
		return;

	/* key_dev events */
	case SONYPI_EVENT_JOGDIAL_PRESSED:
		kp.key = BTN_MIDDLE;
		kp.dev = jog_dev;
		break;

	default:
A
Adrian Bunk 已提交
384
		if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
385 386 387
			dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
			break;
		}
388 389
		if ((scancode = sony_laptop_input_index[event]) != -1) {
			kp.key = sony_laptop_input_keycode_map[scancode];
390
			if (kp.key != KEY_UNKNOWN)
391
				kp.dev = key_dev;
392
		}
393 394 395 396
		break;
	}

	if (kp.dev) {
397 398 399 400
		/* if we have a scancode we emit it so we can always
		    remap the key */
		if (scancode != -1)
			input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
401 402 403
		input_report_key(kp.dev, kp.key, 1);
		input_sync(kp.dev);

404 405 406 407
		/* schedule key release */
		kfifo_in_locked(&sony_laptop_input.fifo,
				(unsigned char *)&kp, sizeof(kp),
				&sony_laptop_input.fifo_lock);
408 409
		mod_timer(&sony_laptop_input.release_key_timer,
			  jiffies + msecs_to_jiffies(10));
410 411 412 413
	} else
		dprintk("unknown input event %.2x\n", event);
}

414
static int sony_laptop_setup_input(struct acpi_device *acpi_device)
415 416 417 418 419 420 421 422 423 424 425 426
{
	struct input_dev *jog_dev;
	struct input_dev *key_dev;
	int i;
	int error;

	/* don't run again if already initialized */
	if (atomic_add_return(1, &sony_laptop_input.users) > 1)
		return 0;

	/* kfifo */
	spin_lock_init(&sony_laptop_input.fifo_lock);
427 428
	error = kfifo_alloc(&sony_laptop_input.fifo,
			    SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
429
	if (error) {
430
		pr_err("kfifo_alloc failed\n");
431 432 433
		goto err_dec_users;
	}

434 435
	setup_timer(&sony_laptop_input.release_key_timer,
		    do_sony_laptop_release_key, 0);
436 437 438 439 440

	/* input keys */
	key_dev = input_allocate_device();
	if (!key_dev) {
		error = -ENOMEM;
441
		goto err_free_kfifo;
442 443 444 445 446
	}

	key_dev->name = "Sony Vaio Keys";
	key_dev->id.bustype = BUS_ISA;
	key_dev->id.vendor = PCI_VENDOR_ID_SONY;
447
	key_dev->dev.parent = &acpi_device->dev;
448 449

	/* Initialize the Input Drivers: special keys */
450 451 452
	input_set_capability(key_dev, EV_MSC, MSC_SCAN);

	__set_bit(EV_KEY, key_dev->evbit);
453 454 455
	key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
	key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
	key_dev->keycode = &sony_laptop_input_keycode_map;
456 457 458
	for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
		__set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
	__clear_bit(KEY_RESERVED, key_dev->keybit);
459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475

	error = input_register_device(key_dev);
	if (error)
		goto err_free_keydev;

	sony_laptop_input.key_dev = key_dev;

	/* jogdial */
	jog_dev = input_allocate_device();
	if (!jog_dev) {
		error = -ENOMEM;
		goto err_unregister_keydev;
	}

	jog_dev->name = "Sony Vaio Jogdial";
	jog_dev->id.bustype = BUS_ISA;
	jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
476
	jog_dev->dev.parent = &acpi_device->dev;
477

478 479
	input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
	input_set_capability(jog_dev, EV_REL, REL_WHEEL);
480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500

	error = input_register_device(jog_dev);
	if (error)
		goto err_free_jogdev;

	sony_laptop_input.jog_dev = jog_dev;

	return 0;

err_free_jogdev:
	input_free_device(jog_dev);

err_unregister_keydev:
	input_unregister_device(key_dev);
	/* to avoid kref underflow below at input_free_device */
	key_dev = NULL;

err_free_keydev:
	input_free_device(key_dev);

err_free_kfifo:
501
	kfifo_free(&sony_laptop_input.fifo);
502 503 504 505 506 507 508 509

err_dec_users:
	atomic_dec(&sony_laptop_input.users);
	return error;
}

static void sony_laptop_remove_input(void)
{
510 511 512
	struct sony_laptop_keypress kp = { NULL };

	/* Cleanup only after the last user has gone */
513 514 515
	if (!atomic_dec_and_test(&sony_laptop_input.users))
		return;

516
	del_timer_sync(&sony_laptop_input.release_key_timer);
517 518 519 520 521 522 523 524 525 526

	/*
	 * Generate key-up events for remaining keys. Note that we don't
	 * need locking since nobody is adding new events to the kfifo.
	 */
	while (kfifo_out(&sony_laptop_input.fifo,
			 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
		input_report_key(kp.dev, kp.key, 0);
		input_sync(kp.dev);
	}
527 528 529 530 531 532 533 534 535 536

	/* destroy input devs */
	input_unregister_device(sony_laptop_input.key_dev);
	sony_laptop_input.key_dev = NULL;

	if (sony_laptop_input.jog_dev) {
		input_unregister_device(sony_laptop_input.jog_dev);
		sony_laptop_input.jog_dev = NULL;
	}

537
	kfifo_free(&sony_laptop_input.fifo);
538 539
}

540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590
/*********** Platform Device ***********/

static atomic_t sony_pf_users = ATOMIC_INIT(0);
static struct platform_driver sony_pf_driver = {
	.driver = {
		   .name = "sony-laptop",
		   .owner = THIS_MODULE,
		   }
};
static struct platform_device *sony_pf_device;

static int sony_pf_add(void)
{
	int ret = 0;

	/* don't run again if already initialized */
	if (atomic_add_return(1, &sony_pf_users) > 1)
		return 0;

	ret = platform_driver_register(&sony_pf_driver);
	if (ret)
		goto out;

	sony_pf_device = platform_device_alloc("sony-laptop", -1);
	if (!sony_pf_device) {
		ret = -ENOMEM;
		goto out_platform_registered;
	}

	ret = platform_device_add(sony_pf_device);
	if (ret)
		goto out_platform_alloced;

	return 0;

      out_platform_alloced:
	platform_device_put(sony_pf_device);
	sony_pf_device = NULL;
      out_platform_registered:
	platform_driver_unregister(&sony_pf_driver);
      out:
	atomic_dec(&sony_pf_users);
	return ret;
}

static void sony_pf_remove(void)
{
	/* deregister only after the last user has gone */
	if (!atomic_dec_and_test(&sony_pf_users))
		return;

591
	platform_device_unregister(sony_pf_device);
592 593 594 595 596
	platform_driver_unregister(&sony_pf_driver);
}

/*********** SNC (SNY5001) Device ***********/

597 598 599 600 601 602 603
/* the device uses 1-based values, while the backlight subsystem uses
   0-based values */
#define SONY_MAX_BRIGHTNESS	8

#define SNC_VALIDATE_IN		0
#define SNC_VALIDATE_OUT	1

604
static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
L
Len Brown 已提交
605
			      char *);
606
static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
L
Len Brown 已提交
607
			       const char *, size_t);
608 609 610
static int boolean_validate(const int, const int);
static int brightness_default_validate(const int, const int);

611
struct sony_nc_value {
L
Len Brown 已提交
612 613 614
	char *name;		/* name of the entry */
	char **acpiget;		/* names of the ACPI get function */
	char **acpiset;		/* names of the ACPI set function */
615
	int (*validate)(const int, const int);	/* input/output validation */
L
Len Brown 已提交
616 617 618
	int value;		/* current setting */
	int valid;		/* Has ever been set */
	int debug;		/* active only in debug mode ? */
619
	struct device_attribute devattr;	/* sysfs attribute */
620 621
};

622
#define SNC_HANDLE_NAMES(_name, _values...) \
623 624
	static char *snc_##_name[] = { _values, NULL }

625
#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
626 627 628 629
	{ \
		.name		= __stringify(_name), \
		.acpiget	= _getters, \
		.acpiset	= _setters, \
630
		.validate	= _validate, \
631
		.debug		= _debug, \
632
		.devattr	= __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
633
	}
634

635
#define SNC_HANDLE_NULL	{ .name = NULL }
636

637
SNC_HANDLE_NAMES(fnkey_get, "GHKE");
638

639 640
SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
641

642 643
SNC_HANDLE_NAMES(cdpower_get, "GCDP");
SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
644

645 646
SNC_HANDLE_NAMES(audiopower_get, "GAZP");
SNC_HANDLE_NAMES(audiopower_set, "AZPW");
647

648 649
SNC_HANDLE_NAMES(lanpower_get, "GLNP");
SNC_HANDLE_NAMES(lanpower_set, "LNPW");
650

651 652 653 654 655 656 657 658
SNC_HANDLE_NAMES(lidstate_get, "GLID");

SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");

SNC_HANDLE_NAMES(gainbass_get, "GMGB");
SNC_HANDLE_NAMES(gainbass_set, "CMGB");

659
SNC_HANDLE_NAMES(PID_get, "GPID");
660

661 662
SNC_HANDLE_NAMES(CTR_get, "GCTR");
SNC_HANDLE_NAMES(CTR_set, "SCTR");
663

664 665
SNC_HANDLE_NAMES(PCR_get, "GPCR");
SNC_HANDLE_NAMES(PCR_set, "SPCR");
666

667 668
SNC_HANDLE_NAMES(CMI_get, "GCMI");
SNC_HANDLE_NAMES(CMI_set, "SCMI");
669

670 671
static struct sony_nc_value sony_nc_values[] = {
	SNC_HANDLE(brightness_default, snc_brightness_def_get,
672
			snc_brightness_def_set, brightness_default_validate, 0),
673 674 675
	SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
	SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
	SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
676
			boolean_validate, 0),
677
	SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
678
			boolean_validate, 1),
679 680 681 682 683 684
	SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
			boolean_validate, 0),
	SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
			boolean_validate, 0),
	SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
			boolean_validate, 0),
685
	/* unknown methods */
686 687 688 689 690
	SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
	SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
	SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
	SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
	SNC_HANDLE_NULL
691 692
};

693 694
static acpi_handle sony_nc_acpi_handle;
static struct acpi_device *sony_nc_acpi_device = NULL;
695

696 697
/*
 * acpi_evaluate_object wrappers
698 699
 * all useful calls into SNC methods take one or zero parameters and return
 * integers or arrays.
700
 */
701 702
static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
		u64 *value)
703
{
704 705
	union acpi_object *result = NULL;
	struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
706 707
	acpi_status status;

708 709 710 711 712 713 714 715 716 717
	if (value) {
		struct acpi_object_list params;
		union acpi_object in;
		in.type = ACPI_TYPE_INTEGER;
		in.integer.value = *value;
		params.count = 1;
		params.pointer = &in;
		status = acpi_evaluate_object(handle, method, &params, &output);
	} else
		status = acpi_evaluate_object(handle, method, NULL, &output);
718

719 720 721
	if (ACPI_FAILURE(status)) {
		pr_err("Failed to evaluate [%s]\n", method);
		return NULL;
722 723
	}

724 725 726
	result = (union acpi_object *) output.pointer;
	if (!result)
		dprintk("No return object [%s]\n", method);
727

728
	return result;
729 730
}

731 732
static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
		int *result)
733
{
734 735 736 737 738 739
	union acpi_object *object = NULL;
	if (value) {
		u64 v = *value;
		object = __call_snc_method(handle, name, &v);
	} else
		object = __call_snc_method(handle, name, NULL);
740

741 742
	if (!object)
		return -EINVAL;
743

744 745 746 747 748
	if (object->type != ACPI_TYPE_INTEGER) {
		pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
				ACPI_TYPE_INTEGER, object->type);
		kfree(object);
		return -EINVAL;
749 750
	}

751 752
	if (result)
		*result = object->integer.value;
753

754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783
	kfree(object);
	return 0;
}

#define MIN(a, b)	(a > b ? b : a)
static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
		void *buffer, size_t buflen)
{
	size_t len = len;
	union acpi_object *object = __call_snc_method(handle, name, value);

	if (!object)
		return -EINVAL;

	if (object->type == ACPI_TYPE_BUFFER)
		len = MIN(buflen, object->buffer.length);

	else if (object->type == ACPI_TYPE_INTEGER)
		len = MIN(buflen, sizeof(object->integer.value));

	else {
		pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
				ACPI_TYPE_BUFFER, object->type);
		kfree(object);
		return -EINVAL;
	}

	memcpy(buffer, object->buffer.pointer, len);
	kfree(object);
	return 0;
784 785
}

786 787 788 789 790
struct sony_nc_handles {
	u16 cap[0x10];
	struct device_attribute devattr;
};

791
static struct sony_nc_handles *handles;
792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808

static ssize_t sony_nc_handles_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	ssize_t len = 0;
	int i;

	for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
		len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
				handles->cap[i]);
	}
	len += snprintf(buffer + len, PAGE_SIZE - len, "\n");

	return len;
}

static int sony_nc_handles_setup(struct platform_device *pd)
809
{
810
	int i, r, result, arg;
811

812
	handles = kzalloc(sizeof(*handles), GFP_KERNEL);
813 814
	if (!handles)
		return -ENOMEM;
815 816

	for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
817 818 819 820
		arg = i + 0x20;
		r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
					&result);
		if (!r) {
821 822 823
			dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
					result, i);
			handles->cap[i] = result;
824
		}
825 826
	}

827 828 829 830 831 832 833 834 835 836 837 838
	if (debug) {
		sysfs_attr_init(&handles->devattr.attr);
		handles->devattr.attr.name = "handles";
		handles->devattr.attr.mode = S_IRUGO;
		handles->devattr.show = sony_nc_handles_show;

		/* allow reading capabilities via sysfs */
		if (device_create_file(&pd->dev, &handles->devattr)) {
			kfree(handles);
			handles = NULL;
			return -1;
		}
839 840 841 842 843 844 845 846
	}

	return 0;
}

static int sony_nc_handles_cleanup(struct platform_device *pd)
{
	if (handles) {
847 848
		if (debug)
			device_remove_file(&pd->dev, &handles->devattr);
849 850 851 852 853 854 855 856 857
		kfree(handles);
		handles = NULL;
	}
	return 0;
}

static int sony_find_snc_handle(int handle)
{
	int i;
858 859 860 861 862

	/* not initialized yet, return early */
	if (!handles)
		return -1;

863 864 865 866 867 868 869
	for (i = 0; i < 0x10; i++) {
		if (handles->cap[i] == handle) {
			dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
					handle, i);
			return i;
		}
	}
870
	dprintk("handle 0x%.4x not found\n", handle);
871 872 873 874 875
	return -1;
}

static int sony_call_snc_handle(int handle, int argument, int *result)
{
876
	int arg, ret = 0;
877 878 879 880 881
	int offset = sony_find_snc_handle(handle);

	if (offset < 0)
		return -1;

882 883 884
	arg = offset | argument;
	ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
	dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
885
	return ret;
886 887
}

888
/*
889
 * sony_nc_values input/output validate functions
890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922
 */

/* brightness_default_validate:
 *
 * manipulate input output values to keep consistency with the
 * backlight framework for which brightness values are 0-based.
 */
static int brightness_default_validate(const int direction, const int value)
{
	switch (direction) {
		case SNC_VALIDATE_OUT:
			return value - 1;
		case SNC_VALIDATE_IN:
			if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
				return value + 1;
	}
	return -EINVAL;
}

/* boolean_validate:
 *
 * on input validate boolean values 0/1, on output just pass the
 * received value.
 */
static int boolean_validate(const int direction, const int value)
{
	if (direction == SNC_VALIDATE_IN) {
		if (value != 0 && value != 1)
			return -EINVAL;
	}
	return value;
}

923
/*
924
 * Sysfs show/store common to all sony_nc_values
925
 */
926
static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
L
Len Brown 已提交
927
			      char *buffer)
928
{
929
	int value, ret = 0;
930 931
	struct sony_nc_value *item =
	    container_of(attr, struct sony_nc_value, devattr);
932

933
	if (!*item->acpiget)
934 935
		return -EIO;

936 937 938
	ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
				&value);
	if (ret < 0)
939 940
		return -EIO;

941 942 943
	if (item->validate)
		value = item->validate(SNC_VALIDATE_OUT, value);

944
	return snprintf(buffer, PAGE_SIZE, "%d\n", value);
945 946
}

947
static ssize_t sony_nc_sysfs_store(struct device *dev,
L
Len Brown 已提交
948 949
			       struct device_attribute *attr,
			       const char *buffer, size_t count)
950
{
951 952
	unsigned long value = 0;
	int ret = 0;
953 954
	struct sony_nc_value *item =
	    container_of(attr, struct sony_nc_value, devattr);
955 956 957 958

	if (!item->acpiset)
		return -EIO;

959 960 961
	if (count > 31)
		return -EINVAL;

962 963
	if (kstrtoul(buffer, 10, &value))
		return -EINVAL;
964

965 966 967 968 969
	if (item->validate)
		value = item->validate(SNC_VALIDATE_IN, value);

	if (value < 0)
		return value;
970

971 972
	ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
			(int *)&value, NULL);
973
	if (ret < 0)
974
		return -EIO;
975

976 977
	item->value = value;
	item->valid = 1;
978 979 980
	return count;
}

981

982 983 984
/*
 * Backlight device
 */
985 986 987 988 989 990 991 992
struct sony_backlight_props {
	struct backlight_device *dev;
	int			handle;
	u8			offset;
	u8			maxlvl;
};
struct sony_backlight_props sony_bl_props;

993
static int sony_backlight_update_status(struct backlight_device *bd)
994
{
995 996
	int arg = bd->props.brightness + 1;
	return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
997
}
998

999 1000 1001
static int sony_backlight_get_brightness(struct backlight_device *bd)
{
	int value;
1002

1003
	if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1004 1005 1006
		return 0;
	/* brightness levels are 1-based, while backlight ones are 0-based */
	return value - 1;
1007 1008
}

1009 1010 1011
static int sony_nc_get_brightness_ng(struct backlight_device *bd)
{
	int result;
1012 1013
	struct sony_backlight_props *sdev =
		(struct sony_backlight_props *)bl_get_data(bd);
1014

1015
	sony_call_snc_handle(sdev->handle, 0x0200, &result);
1016

1017
	return (result & 0xff) - sdev->offset;
1018 1019 1020 1021 1022
}

static int sony_nc_update_status_ng(struct backlight_device *bd)
{
	int value, result;
1023 1024
	struct sony_backlight_props *sdev =
		(struct sony_backlight_props *)bl_get_data(bd);
1025

1026 1027
	value = bd->props.brightness + sdev->offset;
	if (sony_call_snc_handle(sdev->handle, 0x0100 | (value << 16), &result))
1028
		return -EIO;
1029

1030
	return value;
1031 1032
}

L
Lionel Debroux 已提交
1033
static const struct backlight_ops sony_backlight_ops = {
1034
	.options = BL_CORE_SUSPENDRESUME,
L
Len Brown 已提交
1035 1036
	.update_status = sony_backlight_update_status,
	.get_brightness = sony_backlight_get_brightness,
1037
};
1038 1039 1040 1041 1042
static const struct backlight_ops sony_backlight_ng_ops = {
	.options = BL_CORE_SUSPENDRESUME,
	.update_status = sony_nc_update_status_ng,
	.get_brightness = sony_nc_get_brightness_ng,
};
1043

1044 1045 1046 1047 1048 1049 1050 1051
/*
 * New SNC-only Vaios event mapping to driver known keys
 */
struct sony_nc_event {
	u8	data;
	u8	event;
};

1052
static struct sony_nc_event sony_100_events[] = {
1053 1054
	{ 0x90, SONYPI_EVENT_PKEY_P1 },
	{ 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1055
	{ 0x91, SONYPI_EVENT_PKEY_P2 },
1056
	{ 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1057 1058
	{ 0x81, SONYPI_EVENT_FNKEY_F1 },
	{ 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1059 1060 1061 1062 1063 1064
	{ 0x82, SONYPI_EVENT_FNKEY_F2 },
	{ 0x02, SONYPI_EVENT_FNKEY_RELEASED },
	{ 0x83, SONYPI_EVENT_FNKEY_F3 },
	{ 0x03, SONYPI_EVENT_FNKEY_RELEASED },
	{ 0x84, SONYPI_EVENT_FNKEY_F4 },
	{ 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1065 1066 1067 1068 1069 1070
	{ 0x85, SONYPI_EVENT_FNKEY_F5 },
	{ 0x05, SONYPI_EVENT_FNKEY_RELEASED },
	{ 0x86, SONYPI_EVENT_FNKEY_F6 },
	{ 0x06, SONYPI_EVENT_FNKEY_RELEASED },
	{ 0x87, SONYPI_EVENT_FNKEY_F7 },
	{ 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1071 1072
	{ 0x89, SONYPI_EVENT_FNKEY_F9 },
	{ 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1073 1074 1075 1076
	{ 0x8A, SONYPI_EVENT_FNKEY_F10 },
	{ 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
	{ 0x8C, SONYPI_EVENT_FNKEY_F12 },
	{ 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1077 1078
	{ 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
	{ 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1079 1080
	{ 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
	{ 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1081 1082
	{ 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
	{ 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1083 1084 1085 1086 1087 1088
	{ 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
	{ 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
	{ 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0xa6, SONYPI_EVENT_HELP_PRESSED },
	{ 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1089 1090 1091
	{ 0, 0 },
};

1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109
static struct sony_nc_event sony_127_events[] = {
	{ 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
	{ 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0x82, SONYPI_EVENT_PKEY_P1 },
	{ 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0x83, SONYPI_EVENT_PKEY_P2 },
	{ 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0x84, SONYPI_EVENT_PKEY_P3 },
	{ 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0x85, SONYPI_EVENT_PKEY_P4 },
	{ 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0x86, SONYPI_EVENT_PKEY_P5 },
	{ 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
	{ 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0, 0 },
};

1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142
static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
{
	int ret = -EINVAL;
	unsigned int result = 0;
	struct sony_nc_event *key_event;

	if (sony_call_snc_handle(handle, 0x200, &result)) {
		dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
				event);
		return -EINVAL;
	}

	result &= 0xFF;

	if (handle == 0x0100)
		key_event = sony_100_events;
	else
		key_event = sony_127_events;

	for (; key_event->data; key_event++) {
		if (key_event->data == result) {
			ret = key_event->event;
			break;
		}
	}

	if (!key_event->data)
		pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
				event, result, handle);

	return ret;
}

1143 1144 1145
/*
 * ACPI callbacks
 */
1146
static void sony_nc_notify(struct acpi_device *device, u32 event)
1147
{
1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160
	u32 real_ev = event;
	u8 ev_type = 0;
	dprintk("sony_nc_notify, event: 0x%.2x\n", event);

	if (event >= 0x90) {
		unsigned int result = 0;
		unsigned int arg = 0;
		unsigned int handle = 0;
		unsigned int offset = event - 0x90;

		if (offset >= ARRAY_SIZE(handles->cap)) {
			pr_err("Event 0x%x outside of capabilities list\n",
					event);
1161
			return;
1162
		}
1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198
		handle = handles->cap[offset];

		/* list of handles known for generating events */
		switch (handle) {
		/* hotkey event */
		case 0x0100:
		case 0x0127:
			ev_type = 1;
			real_ev = sony_nc_hotkeys_decode(event, handle);

			if (real_ev > 0)
				sony_laptop_report_input_event(real_ev);
			else
				/* restore the original event for reporting */
				real_ev = event;

			break;

		/* wlan switch */
		case 0x0124:
		case 0x0135:
			/* events on this handle are reported when the
			 * switch changes position or for battery
			 * events. We'll notify both of them but only
			 * update the rfkill device status when the
			 * switch is moved.
			 */
			ev_type = 2;
			sony_call_snc_handle(handle, 0x0100, &result);
			real_ev = result & 0x03;

			/* hw switch event */
			if (real_ev == 1)
				sony_nc_rfkill_update();

			break;
1199

1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219
		default:
			dprintk("Unknown event 0x%x for handle 0x%x\n",
					event, handle);
			break;
		}

		/* clear the event (and the event reason when present) */
		arg = 1 << offset;
		sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);

	} else {
		/* old style event */
		ev_type = 1;
		sony_laptop_report_input_event(real_ev);
	}

	acpi_bus_generate_proc_event(sony_nc_acpi_device, ev_type, real_ev);

	acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
			dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1220 1221 1222 1223 1224
}

static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
				      void *context, void **return_value)
{
1225
	struct acpi_device_info *info;
1226

1227
	if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1228
		pr_warn("method: name: %4.4s, args %X\n",
1229 1230
			(char *)&info->name, info->param_count);

1231
		kfree(info);
1232
	}
1233 1234 1235 1236

	return AE_OK;
}

1237 1238 1239
/*
 * ACPI device
 */
1240 1241
static void sony_nc_function_setup(struct acpi_device *device,
		struct platform_device *pf_device)
1242
{
1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278
	unsigned int i, result, bitmask, arg;

	if (!handles)
		return;

	/* setup found handles here */
	for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
		unsigned int handle = handles->cap[i];

		if (!handle)
			continue;

		dprintk("setting up handle 0x%.4x\n", handle);

		switch (handle) {
		case 0x0100:
		case 0x0101:
		case 0x0127:
			/* setup hotkeys */
			sony_call_snc_handle(handle, 0, &result);
			break;
		case 0x0102:
			/* setup hotkeys */
			sony_call_snc_handle(handle, 0x100, &result);
			break;
		case 0x0124:
		case 0x0135:
			sony_nc_rfkill_setup(device);
			break;
		case 0x0137:
			sony_nc_kbd_backlight_setup(pf_device);
			break;
		default:
			continue;
		}
	}
1279 1280

	/* Enable all events */
1281 1282 1283 1284 1285
	arg = 0x10;
	if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
		sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
				&result);
}
1286

1287 1288 1289
static void sony_nc_function_cleanup(struct platform_device *pd)
{
	unsigned int i, result, bitmask, handle;
1290

1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359
	/* get enabled events and disable them */
	sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
	sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);

	/* cleanup handles here */
	for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {

		handle = handles->cap[i];

		if (!handle)
			continue;

		switch (handle) {
		case 0x0124:
		case 0x0135:
			sony_nc_rfkill_cleanup();
			break;
		case 0x0137:
			sony_nc_kbd_backlight_cleanup(pd);
			break;
		default:
			continue;
		}
	}

	/* finally cleanup the handles list */
	sony_nc_handles_cleanup(pd);
}

static void sony_nc_function_resume(void)
{
	unsigned int i, result, bitmask, arg;

	dprintk("Resuming SNC device\n");

	for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
		unsigned int handle = handles->cap[i];

		if (!handle)
			continue;

		switch (handle) {
		case 0x0100:
		case 0x0101:
		case 0x0127:
			/* re-enable hotkeys */
			sony_call_snc_handle(handle, 0, &result);
			break;
		case 0x0102:
			/* re-enable hotkeys */
			sony_call_snc_handle(handle, 0x100, &result);
			break;
		case 0x0124:
		case 0x0135:
			sony_nc_rfkill_update();
			break;
		case 0x0137:
			sony_nc_kbd_backlight_resume();
			break;
		default:
			continue;
		}
	}

	/* Enable all events */
	arg = 0x10;
	if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
		sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
				&result);
1360 1361
}

1362
static int sony_nc_resume(struct acpi_device *device)
1363
{
1364
	struct sony_nc_value *item;
1365
	acpi_handle handle;
1366

1367
	for (item = sony_nc_values; item->name; item++) {
1368 1369 1370 1371
		int ret;

		if (!item->valid)
			continue;
1372 1373
		ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
				       &item->value, NULL);
1374
		if (ret < 0) {
1375
			pr_err("%s: %d\n", __func__, ret);
1376 1377 1378
			break;
		}
	}
1379

1380 1381
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
					 &handle))) {
1382 1383
		int arg = 1;
		if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1384 1385 1386
			dprintk("ECON Method failed\n");
	}

1387
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1388 1389
					 &handle)))
		sony_nc_function_resume();
1390

1391 1392 1393
	return 0;
}

1394 1395 1396 1397
static void sony_nc_rfkill_cleanup(void)
{
	int i;

J
Johannes Berg 已提交
1398 1399
	for (i = 0; i < N_SONY_RFKILL; i++) {
		if (sony_rfkill_devices[i]) {
1400
			rfkill_unregister(sony_rfkill_devices[i]);
J
Johannes Berg 已提交
1401 1402
			rfkill_destroy(sony_rfkill_devices[i]);
		}
1403 1404 1405
	}
}

J
Johannes Berg 已提交
1406
static int sony_nc_rfkill_set(void *data, bool blocked)
1407 1408 1409 1410
{
	int result;
	int argument = sony_rfkill_address[(long) data] + 0x100;

J
Johannes Berg 已提交
1411
	if (!blocked)
1412
		argument |= 0x030000;
1413

1414
	return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1415 1416
}

J
Johannes Berg 已提交
1417 1418 1419
static const struct rfkill_ops sony_rfkill_ops = {
	.set_block = sony_nc_rfkill_set,
};
1420

J
Johannes Berg 已提交
1421 1422
static int sony_nc_setup_rfkill(struct acpi_device *device,
				enum sony_nc_rfkill nc_type)
1423 1424
{
	int err = 0;
J
Johannes Berg 已提交
1425 1426 1427
	struct rfkill *rfk;
	enum rfkill_type type;
	const char *name;
1428
	int result;
1429
	bool hwblock, swblock;
J
Johannes Berg 已提交
1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449

	switch (nc_type) {
	case SONY_WIFI:
		type = RFKILL_TYPE_WLAN;
		name = "sony-wifi";
		break;
	case SONY_BLUETOOTH:
		type = RFKILL_TYPE_BLUETOOTH;
		name = "sony-bluetooth";
		break;
	case SONY_WWAN:
		type = RFKILL_TYPE_WWAN;
		name = "sony-wwan";
		break;
	case SONY_WIMAX:
		type = RFKILL_TYPE_WIMAX;
		name = "sony-wimax";
		break;
	default:
		return -EINVAL;
1450
	}
1451

J
Johannes Berg 已提交
1452 1453 1454 1455
	rfk = rfkill_alloc(name, &device->dev, type,
			   &sony_rfkill_ops, (void *)nc_type);
	if (!rfk)
		return -ENOMEM;
1456

1457 1458 1459 1460
	if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
		rfkill_destroy(rfk);
		return -1;
	}
1461
	hwblock = !(result & 0x1);
1462 1463 1464 1465 1466 1467 1468 1469 1470 1471

	if (sony_call_snc_handle(sony_rfkill_handle,
				sony_rfkill_address[nc_type],
				&result) < 0) {
		rfkill_destroy(rfk);
		return -1;
	}
	swblock = !(result & 0x2);

	rfkill_init_sw_state(rfk, swblock);
1472 1473
	rfkill_set_hw_state(rfk, hwblock);

J
Johannes Berg 已提交
1474 1475 1476 1477
	err = rfkill_register(rfk);
	if (err) {
		rfkill_destroy(rfk);
		return err;
1478
	}
J
Johannes Berg 已提交
1479
	sony_rfkill_devices[nc_type] = rfk;
1480 1481 1482
	return err;
}

1483
static void sony_nc_rfkill_update(void)
1484
{
J
Johannes Berg 已提交
1485 1486 1487
	enum sony_nc_rfkill i;
	int result;
	bool hwblock;
1488

1489
	sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
J
Johannes Berg 已提交
1490
	hwblock = !(result & 0x1);
1491

J
Johannes Berg 已提交
1492 1493
	for (i = 0; i < N_SONY_RFKILL; i++) {
		int argument = sony_rfkill_address[i];
1494

J
Johannes Berg 已提交
1495 1496 1497 1498
		if (!sony_rfkill_devices[i])
			continue;

		if (hwblock) {
J
Johannes Berg 已提交
1499 1500 1501
			if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
				/* we already know we're blocked */
			}
J
Johannes Berg 已提交
1502
			continue;
1503
		}
J
Johannes Berg 已提交
1504

1505
		sony_call_snc_handle(sony_rfkill_handle, argument, &result);
J
Johannes Berg 已提交
1506
		rfkill_set_states(sony_rfkill_devices[i],
1507
				  !(result & 0x2), false);
1508 1509 1510
	}
}

1511
static void sony_nc_rfkill_setup(struct acpi_device *device)
1512
{
1513 1514 1515
	u64 offset;
	int i;
	unsigned char buffer[32] = { 0 };
1516

1517 1518 1519 1520 1521
	offset = sony_find_snc_handle(0x124);
	if (offset == -1) {
		offset = sony_find_snc_handle(0x135);
		if (offset == -1)
			return;
1522 1523 1524 1525
		else
			sony_rfkill_handle = 0x135;
	} else
		sony_rfkill_handle = 0x124;
1526 1527
	dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle);

1528 1529 1530
	i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
			32);
	if (i < 0)
1531
		return;
1532

1533 1534 1535
	/* the buffer is filled with magic numbers describing the devices
	 * available, 0xff terminates the enumeration
	 */
1536
	for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1537

1538
		if (buffer[i] == 0xff)
1539 1540
			break;

1541
		dprintk("Radio devices, looking at 0x%.2x\n", buffer[i]);
1542

1543
		if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1544 1545
			sony_nc_setup_rfkill(device, SONY_WIFI);

1546
		if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1547 1548
			sony_nc_setup_rfkill(device, SONY_BLUETOOTH);

1549
		if ((0xf0 & buffer[i]) == 0x20 &&
1550 1551 1552
				!sony_rfkill_devices[SONY_WWAN])
			sony_nc_setup_rfkill(device, SONY_WWAN);

1553
		if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1554 1555
			sony_nc_setup_rfkill(device, SONY_WIMAX);
	}
1556 1557
}

1558 1559 1560 1561
/* Keyboard backlight feature */
#define KBDBL_HANDLER	0x137
#define KBDBL_PRESENT	0xB00
#define	SET_MODE	0xC00
1562
#define SET_STATE	0xD00
1563 1564 1565 1566 1567 1568 1569 1570 1571
#define SET_TIMEOUT	0xE00

struct kbd_backlight {
	int mode;
	int timeout;
	struct device_attribute mode_attr;
	struct device_attribute timeout_attr;
};

1572
static struct kbd_backlight *kbdbl_handle;
1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584

static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
{
	int result;

	if (value > 1)
		return -EINVAL;

	if (sony_call_snc_handle(KBDBL_HANDLER,
				(value << 0x10) | SET_MODE, &result))
		return -EIO;

1585 1586 1587 1588
	/* Try to turn the light on/off immediately */
	sony_call_snc_handle(KBDBL_HANDLER, (value << 0x10) | SET_STATE,
			&result);

1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603
	kbdbl_handle->mode = value;

	return 0;
}

static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
		struct device_attribute *attr,
		const char *buffer, size_t count)
{
	int ret = 0;
	unsigned long value;

	if (count > 31)
		return -EINVAL;

1604
	if (kstrtoul(buffer, 10, &value))
1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647
		return -EINVAL;

	ret = __sony_nc_kbd_backlight_mode_set(value);
	if (ret < 0)
		return ret;

	return count;
}

static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	ssize_t count = 0;
	count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->mode);
	return count;
}

static int __sony_nc_kbd_backlight_timeout_set(u8 value)
{
	int result;

	if (value > 3)
		return -EINVAL;

	if (sony_call_snc_handle(KBDBL_HANDLER,
				(value << 0x10) | SET_TIMEOUT, &result))
		return -EIO;

	kbdbl_handle->timeout = value;

	return 0;
}

static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
		struct device_attribute *attr,
		const char *buffer, size_t count)
{
	int ret = 0;
	unsigned long value;

	if (count > 31)
		return -EINVAL;

1648
	if (kstrtoul(buffer, 10, &value))
1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665
		return -EINVAL;

	ret = __sony_nc_kbd_backlight_timeout_set(value);
	if (ret < 0)
		return ret;

	return count;
}

static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	ssize_t count = 0;
	count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->timeout);
	return count;
}

1666
static void sony_nc_kbd_backlight_setup(struct platform_device *pd)
1667 1668 1669
{
	int result;

1670
	if (sony_call_snc_handle(KBDBL_HANDLER, KBDBL_PRESENT, &result))
1671
		return;
1672
	if (!(result & 0x02))
1673
		return;
1674 1675

	kbdbl_handle = kzalloc(sizeof(*kbdbl_handle), GFP_KERNEL);
1676
	if (!kbdbl_handle)
1677
		return;
1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699

	sysfs_attr_init(&kbdbl_handle->mode_attr.attr);
	kbdbl_handle->mode_attr.attr.name = "kbd_backlight";
	kbdbl_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
	kbdbl_handle->mode_attr.show = sony_nc_kbd_backlight_mode_show;
	kbdbl_handle->mode_attr.store = sony_nc_kbd_backlight_mode_store;

	sysfs_attr_init(&kbdbl_handle->timeout_attr.attr);
	kbdbl_handle->timeout_attr.attr.name = "kbd_backlight_timeout";
	kbdbl_handle->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
	kbdbl_handle->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
	kbdbl_handle->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;

	if (device_create_file(&pd->dev, &kbdbl_handle->mode_attr))
		goto outkzalloc;

	if (device_create_file(&pd->dev, &kbdbl_handle->timeout_attr))
		goto outmode;

	__sony_nc_kbd_backlight_mode_set(kbd_backlight);
	__sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);

1700
	return;
1701 1702 1703 1704 1705 1706

outmode:
	device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
outkzalloc:
	kfree(kbdbl_handle);
	kbdbl_handle = NULL;
1707
	return;
1708 1709 1710 1711 1712
}

static int sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
{
	if (kbdbl_handle) {
1713 1714
		int result;

1715 1716
		device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
		device_remove_file(&pd->dev, &kbdbl_handle->timeout_attr);
1717 1718 1719 1720 1721

		/* restore the default hw behaviour */
		sony_call_snc_handle(KBDBL_HANDLER, 0x1000 | SET_MODE, &result);
		sony_call_snc_handle(KBDBL_HANDLER, SET_TIMEOUT, &result);

1722 1723 1724 1725 1726
		kfree(kbdbl_handle);
	}
	return 0;
}

1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742
static void sony_nc_kbd_backlight_resume(void)
{
	int ignore = 0;

	if (!kbdbl_handle)
		return;

	if (kbdbl_handle->mode == 0)
		sony_call_snc_handle(KBDBL_HANDLER, SET_MODE, &ignore);

	if (kbdbl_handle->timeout != 0)
		sony_call_snc_handle(KBDBL_HANDLER,
				(kbdbl_handle->timeout << 0x10) | SET_TIMEOUT,
				&ignore);
}

1743 1744 1745
static void sony_nc_backlight_ng_read_limits(int handle,
		struct sony_backlight_props *props)
{
1746 1747
	u64 offset;
	int i;
1748
	u8 min = 0xff, max = 0x00;
1749
	unsigned char buffer[32] = { 0 };
1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761

	props->handle = handle;
	props->offset = 0;
	props->maxlvl = 0xff;

	offset = sony_find_snc_handle(handle);
	if (offset < 0)
		return;

	/* try to read the boundaries from ACPI tables, if we fail the above
	 * defaults should be reasonable
	 */
1762 1763 1764
	i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
			32);
	if (i < 0)
1765 1766 1767
		return;

	/* the buffer lists brightness levels available, brightness levels are
1768 1769
	 * from position 0 to 8 in the array, other values are used by ALS
	 * control.
1770
	 */
1771
	for (i = 0; i < 9 && i < ARRAY_SIZE(buffer); i++) {
1772

1773
		dprintk("Brightness level: %d\n", buffer[i]);
1774

1775
		if (!buffer[i])
1776 1777
			break;

1778 1779 1780 1781
		if (buffer[i] > max)
			max = buffer[i];
		if (buffer[i] < min)
			min = buffer[i];
1782 1783 1784 1785 1786 1787 1788
	}
	props->offset = min;
	props->maxlvl = max;
	dprintk("Brightness levels: min=%d max=%d\n", props->offset,
			props->maxlvl);
}

1789 1790 1791 1792 1793 1794 1795 1796 1797
static void sony_nc_backlight_setup(void)
{
	acpi_handle unused;
	int max_brightness = 0;
	const struct backlight_ops *ops = NULL;
	struct backlight_properties props;

	if (sony_find_snc_handle(0x12f) != -1) {
		ops = &sony_backlight_ng_ops;
1798 1799
		sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
		max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
1800 1801 1802

	} else if (sony_find_snc_handle(0x137) != -1) {
		ops = &sony_backlight_ng_ops;
1803 1804
		sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
		max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816

	} else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
						&unused))) {
		ops = &sony_backlight_ops;
		max_brightness = SONY_MAX_BRIGHTNESS - 1;

	} else
		return;

	memset(&props, 0, sizeof(struct backlight_properties));
	props.type = BACKLIGHT_PLATFORM;
	props.max_brightness = max_brightness;
1817 1818 1819
	sony_bl_props.dev = backlight_device_register("sony", NULL,
						      &sony_bl_props,
						      ops, &props);
1820

1821
	if (IS_ERR(sony_bl_props.dev)) {
1822
		pr_warn("unable to register backlight device\n");
1823
		sony_bl_props.dev = NULL;
1824
	} else
1825 1826
		sony_bl_props.dev->props.brightness =
			ops->get_brightness(sony_bl_props.dev);
1827 1828 1829 1830
}

static void sony_nc_backlight_cleanup(void)
{
1831 1832
	if (sony_bl_props.dev)
		backlight_device_unregister(sony_bl_props.dev);
1833 1834
}

1835
static int sony_nc_add(struct acpi_device *device)
1836 1837
{
	acpi_status status;
1838
	int result = 0;
1839
	acpi_handle handle;
1840
	struct sony_nc_value *item;
1841

1842
	pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1843

1844
	sony_nc_acpi_device = device;
1845
	strcpy(acpi_device_class(device), "sony/hotkey");
1846

1847
	sony_nc_acpi_handle = device->handle;
1848

1849 1850 1851 1852 1853 1854 1855 1856 1857
	/* read device status */
	result = acpi_bus_get_status(device);
	/* bail IFF the above call was successful and the device is not present */
	if (!result && !device->status.present) {
		dprintk("Device not present\n");
		result = -ENODEV;
		goto outwalk;
	}

1858 1859 1860 1861
	result = sony_pf_add();
	if (result)
		goto outpresent;

1862
	if (debug) {
1863 1864 1865
		status = acpi_walk_namespace(ACPI_TYPE_METHOD,
				sony_nc_acpi_handle, 1, sony_walk_callback,
				NULL, NULL, NULL);
1866
		if (ACPI_FAILURE(status)) {
1867
			pr_warn("unable to walk acpi resources\n");
1868
			result = -ENODEV;
1869
			goto outpresent;
1870
		}
1871
	}
1872

1873 1874
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
					 &handle))) {
1875 1876
		int arg = 1;
		if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1877 1878 1879
			dprintk("ECON Method failed\n");
	}

1880 1881 1882
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
					 &handle))) {
		dprintk("Doing SNC setup\n");
1883
		/* retrieve the available handles */
1884
		result = sony_nc_handles_setup(sony_pf_device);
1885 1886
		if (!result)
			sony_nc_function_setup(device, sony_pf_device);
1887 1888
	}

1889
	/* setup input devices and helper fifo */
1890
	result = sony_laptop_setup_input(device);
1891
	if (result) {
1892
		pr_err("Unable to create input devices\n");
1893
		goto outsnc;
1894 1895
	}

1896
	if (acpi_video_backlight_support()) {
1897
		pr_info("brightness ignored, must be controlled by ACPI video driver\n");
1898 1899
	} else {
		sony_nc_backlight_setup();
1900
	}
1901

1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912
	/* create sony_pf sysfs attributes related to the SNC device */
	for (item = sony_nc_values; item->name; ++item) {

		if (!debug && item->debug)
			continue;

		/* find the available acpiget as described in the DSDT */
		for (; item->acpiget && *item->acpiget; ++item->acpiget) {
			if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
							 *item->acpiget,
							 &handle))) {
1913 1914
				dprintk("Found %s getter: %s\n",
						item->name, *item->acpiget);
1915 1916 1917 1918 1919 1920 1921 1922 1923 1924
				item->devattr.attr.mode |= S_IRUGO;
				break;
			}
		}

		/* find the available acpiset as described in the DSDT */
		for (; item->acpiset && *item->acpiset; ++item->acpiset) {
			if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
							 *item->acpiset,
							 &handle))) {
1925 1926
				dprintk("Found %s setter: %s\n",
						item->name, *item->acpiset);
1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940
				item->devattr.attr.mode |= S_IWUSR;
				break;
			}
		}

		if (item->devattr.attr.mode != 0) {
			result =
			    device_create_file(&sony_pf_device->dev,
					       &item->devattr);
			if (result)
				goto out_sysfs;
		}
	}

1941 1942
	return 0;

1943 1944 1945 1946
      out_sysfs:
	for (item = sony_nc_values; item->name; ++item) {
		device_remove_file(&sony_pf_device->dev, &item->devattr);
	}
1947
	sony_nc_backlight_cleanup();
1948

1949 1950
	sony_laptop_remove_input();

1951
      outsnc:
1952
	sony_nc_function_cleanup(sony_pf_device);
1953 1954 1955 1956 1957
	sony_nc_handles_cleanup(sony_pf_device);

      outpresent:
	sony_pf_remove();

L
Len Brown 已提交
1958
      outwalk:
1959
	sony_nc_rfkill_cleanup();
1960 1961 1962
	return result;
}

1963
static int sony_nc_remove(struct acpi_device *device, int type)
1964
{
1965
	struct sony_nc_value *item;
1966

1967
	sony_nc_backlight_cleanup();
1968

1969
	sony_nc_acpi_device = NULL;
1970

1971 1972 1973 1974
	for (item = sony_nc_values; item->name; ++item) {
		device_remove_file(&sony_pf_device->dev, &item->devattr);
	}

1975
	sony_nc_function_cleanup(sony_pf_device);
1976
	sony_nc_handles_cleanup(sony_pf_device);
1977
	sony_pf_remove();
1978
	sony_laptop_remove_input();
1979
	dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1980 1981 1982 1983

	return 0;
}

1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995
static const struct acpi_device_id sony_device_ids[] = {
	{SONY_NC_HID, 0},
	{SONY_PIC_HID, 0},
	{"", 0},
};
MODULE_DEVICE_TABLE(acpi, sony_device_ids);

static const struct acpi_device_id sony_nc_device_ids[] = {
	{SONY_NC_HID, 0},
	{"", 0},
};

1996 1997 1998
static struct acpi_driver sony_nc_driver = {
	.name = SONY_NC_DRIVER_NAME,
	.class = SONY_NC_CLASS,
1999
	.ids = sony_nc_device_ids,
2000
	.owner = THIS_MODULE,
L
Len Brown 已提交
2001
	.ops = {
2002 2003 2004
		.add = sony_nc_add,
		.remove = sony_nc_remove,
		.resume = sony_nc_resume,
2005
		.notify = sony_nc_notify,
L
Len Brown 已提交
2006
		},
2007 2008
};

2009 2010 2011 2012 2013 2014
/*********** SPIC (SNY6001) Device ***********/

#define SONYPI_DEVICE_TYPE1	0x00000001
#define SONYPI_DEVICE_TYPE2	0x00000002
#define SONYPI_DEVICE_TYPE3	0x00000004

2015 2016 2017
#define SONYPI_TYPE1_OFFSET	0x04
#define SONYPI_TYPE2_OFFSET	0x12
#define SONYPI_TYPE3_OFFSET	0x12
2018 2019

struct sony_pic_ioport {
2020 2021
	struct acpi_resource_io	io1;
	struct acpi_resource_io	io2;
2022 2023 2024 2025 2026 2027 2028 2029
	struct list_head	list;
};

struct sony_pic_irq {
	struct acpi_resource_irq	irq;
	struct list_head		list;
};

2030 2031 2032 2033 2034 2035
struct sonypi_eventtypes {
	u8			data;
	unsigned long		mask;
	struct sonypi_event	*events;
};

2036 2037 2038 2039 2040 2041 2042 2043 2044
struct sony_pic_dev {
	struct acpi_device		*acpi_dev;
	struct sony_pic_irq		*cur_irq;
	struct sony_pic_ioport		*cur_ioport;
	struct list_head		interrupts;
	struct list_head		ioports;
	struct mutex			lock;
	struct sonypi_eventtypes	*event_types;
	int                             (*handle_irq)(const u8, const u8);
2045 2046
	int				model;
	u16				evport_offset;
2047 2048 2049
	u8				camera_power;
	u8				bluetooth_power;
	u8				wwan_power;
2050 2051 2052 2053 2054 2055 2056
};

static struct sony_pic_dev spic_dev = {
	.interrupts	= LIST_HEAD_INIT(spic_dev.interrupts),
	.ioports	= LIST_HEAD_INIT(spic_dev.ioports),
};

2057 2058
static int spic_drv_registered;

2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107
/* Event masks */
#define SONYPI_JOGGER_MASK			0x00000001
#define SONYPI_CAPTURE_MASK			0x00000002
#define SONYPI_FNKEY_MASK			0x00000004
#define SONYPI_BLUETOOTH_MASK			0x00000008
#define SONYPI_PKEY_MASK			0x00000010
#define SONYPI_BACK_MASK			0x00000020
#define SONYPI_HELP_MASK			0x00000040
#define SONYPI_LID_MASK				0x00000080
#define SONYPI_ZOOM_MASK			0x00000100
#define SONYPI_THUMBPHRASE_MASK			0x00000200
#define SONYPI_MEYE_MASK			0x00000400
#define SONYPI_MEMORYSTICK_MASK			0x00000800
#define SONYPI_BATTERY_MASK			0x00001000
#define SONYPI_WIRELESS_MASK			0x00002000

struct sonypi_event {
	u8	data;
	u8	event;
};

/* The set of possible button release events */
static struct sonypi_event sonypi_releaseev[] = {
	{ 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0, 0 }
};

/* The set of possible jogger events  */
static struct sonypi_event sonypi_joggerev[] = {
	{ 0x1f, SONYPI_EVENT_JOGDIAL_UP },
	{ 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
	{ 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
	{ 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
	{ 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
	{ 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
	{ 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
	{ 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
	{ 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
	{ 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
	{ 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
	{ 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
	{ 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
	{ 0, 0 }
};

/* The set of possible capture button events */
static struct sonypi_event sonypi_captureev[] = {
	{ 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
	{ 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
M
Mattia Dongili 已提交
2108
	{ 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144
	{ 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
	{ 0, 0 }
};

/* The set of possible fnkeys events */
static struct sonypi_event sonypi_fnkeyev[] = {
	{ 0x10, SONYPI_EVENT_FNKEY_ESC },
	{ 0x11, SONYPI_EVENT_FNKEY_F1 },
	{ 0x12, SONYPI_EVENT_FNKEY_F2 },
	{ 0x13, SONYPI_EVENT_FNKEY_F3 },
	{ 0x14, SONYPI_EVENT_FNKEY_F4 },
	{ 0x15, SONYPI_EVENT_FNKEY_F5 },
	{ 0x16, SONYPI_EVENT_FNKEY_F6 },
	{ 0x17, SONYPI_EVENT_FNKEY_F7 },
	{ 0x18, SONYPI_EVENT_FNKEY_F8 },
	{ 0x19, SONYPI_EVENT_FNKEY_F9 },
	{ 0x1a, SONYPI_EVENT_FNKEY_F10 },
	{ 0x1b, SONYPI_EVENT_FNKEY_F11 },
	{ 0x1c, SONYPI_EVENT_FNKEY_F12 },
	{ 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
	{ 0x21, SONYPI_EVENT_FNKEY_1 },
	{ 0x22, SONYPI_EVENT_FNKEY_2 },
	{ 0x31, SONYPI_EVENT_FNKEY_D },
	{ 0x32, SONYPI_EVENT_FNKEY_E },
	{ 0x33, SONYPI_EVENT_FNKEY_F },
	{ 0x34, SONYPI_EVENT_FNKEY_S },
	{ 0x35, SONYPI_EVENT_FNKEY_B },
	{ 0x36, SONYPI_EVENT_FNKEY_ONLY },
	{ 0, 0 }
};

/* The set of possible program key events */
static struct sonypi_event sonypi_pkeyev[] = {
	{ 0x01, SONYPI_EVENT_PKEY_P1 },
	{ 0x02, SONYPI_EVENT_PKEY_P2 },
	{ 0x04, SONYPI_EVENT_PKEY_P3 },
2145
	{ 0x20, SONYPI_EVENT_PKEY_P1 },
2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158
	{ 0, 0 }
};

/* The set of possible bluetooth events */
static struct sonypi_event sonypi_blueev[] = {
	{ 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
	{ 0x59, SONYPI_EVENT_BLUETOOTH_ON },
	{ 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
	{ 0, 0 }
};

/* The set of possible wireless events */
static struct sonypi_event sonypi_wlessev[] = {
2159 2160
	{ 0x59, SONYPI_EVENT_IGNORE },
	{ 0x5a, SONYPI_EVENT_IGNORE },
2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186
	{ 0, 0 }
};

/* The set of possible back button events */
static struct sonypi_event sonypi_backev[] = {
	{ 0x20, SONYPI_EVENT_BACK_PRESSED },
	{ 0, 0 }
};

/* The set of possible help button events */
static struct sonypi_event sonypi_helpev[] = {
	{ 0x3b, SONYPI_EVENT_HELP_PRESSED },
	{ 0, 0 }
};


/* The set of possible lid events */
static struct sonypi_event sonypi_lidev[] = {
	{ 0x51, SONYPI_EVENT_LID_CLOSED },
	{ 0x50, SONYPI_EVENT_LID_OPENED },
	{ 0, 0 }
};

/* The set of possible zoom events */
static struct sonypi_event sonypi_zoomev[] = {
	{ 0x39, SONYPI_EVENT_ZOOM_PRESSED },
M
Mattia Dongili 已提交
2187 2188
	{ 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
	{ 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
2189
	{ 0x04, SONYPI_EVENT_ZOOM_PRESSED },
2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219
	{ 0, 0 }
};

/* The set of possible thumbphrase events */
static struct sonypi_event sonypi_thumbphraseev[] = {
	{ 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
	{ 0, 0 }
};

/* The set of possible motioneye camera events */
static struct sonypi_event sonypi_meyeev[] = {
	{ 0x00, SONYPI_EVENT_MEYE_FACE },
	{ 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
	{ 0, 0 }
};

/* The set of possible memorystick events */
static struct sonypi_event sonypi_memorystickev[] = {
	{ 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
	{ 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
	{ 0, 0 }
};

/* The set of possible battery events */
static struct sonypi_event sonypi_batteryev[] = {
	{ 0x20, SONYPI_EVENT_BATTERY_INSERT },
	{ 0x30, SONYPI_EVENT_BATTERY_REMOVE },
	{ 0, 0 }
};

2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232
/* The set of possible volume events */
static struct sonypi_event sonypi_volumeev[] = {
	{ 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
	{ 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
	{ 0, 0 }
};

/* The set of possible brightness events */
static struct sonypi_event sonypi_brightnessev[] = {
	{ 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
	{ 0, 0 }
};

2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269
static struct sonypi_eventtypes type1_events[] = {
	{ 0, 0xffffffff, sonypi_releaseev },
	{ 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
	{ 0x30, SONYPI_LID_MASK, sonypi_lidev },
	{ 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
	{ 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
	{ 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
	{ 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
	{ 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
	{ 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
	{ 0 },
};
static struct sonypi_eventtypes type2_events[] = {
	{ 0, 0xffffffff, sonypi_releaseev },
	{ 0x38, SONYPI_LID_MASK, sonypi_lidev },
	{ 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
	{ 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
	{ 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
	{ 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
	{ 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ 0x11, SONYPI_BACK_MASK, sonypi_backev },
	{ 0x21, SONYPI_HELP_MASK, sonypi_helpev },
	{ 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
	{ 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
	{ 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
	{ 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
	{ 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ 0 },
};
static struct sonypi_eventtypes type3_events[] = {
	{ 0, 0xffffffff, sonypi_releaseev },
	{ 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
	{ 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
	{ 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
	{ 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
	{ 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
M
Mattia Dongili 已提交
2270 2271 2272
	{ 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
	{ 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
2273 2274
	{ 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
	{ 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
M
Mattia Dongili 已提交
2275
	{ 0 },
2276 2277
};

M
Mattia Dongili 已提交
2278
/* low level spic calls */
2279 2280 2281 2282 2283 2284 2285 2286
#define ITERATIONS_LONG		10000
#define ITERATIONS_SHORT	10
#define wait_on_command(command, iterations) {				\
	unsigned int n = iterations;					\
	while (--n && (command))					\
		udelay(1);						\
	if (!n)								\
		dprintk("command failed at %s : %s (line %d)\n",	\
2287
				__FILE__, __func__, __LINE__);	\
2288 2289 2290 2291 2292 2293
}

static u8 sony_pic_call1(u8 dev)
{
	u8 v1, v2;

2294
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2295
			ITERATIONS_LONG);
2296 2297 2298
	outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
	v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
	v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
2299
	dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
2300 2301 2302 2303 2304 2305 2306
	return v2;
}

static u8 sony_pic_call2(u8 dev, u8 fn)
{
	u8 v1;

2307
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2308
			ITERATIONS_LONG);
2309 2310
	outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2311
			ITERATIONS_LONG);
2312 2313
	outb(fn, spic_dev.cur_ioport->io1.minimum);
	v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
2314
	dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
2315 2316 2317
	return v1;
}

2318 2319 2320 2321
static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
{
	u8 v1;

2322 2323 2324 2325 2326 2327 2328
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
	outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
	outb(fn, spic_dev.cur_ioport->io1.minimum);
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
	outb(v, spic_dev.cur_ioport->io1.minimum);
	v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
2329 2330
	dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
			dev, fn, v, v1);
2331 2332 2333
	return v1;
}

M
Mattia Dongili 已提交
2334 2335 2336
/*
 * minidrivers for SPIC models
 */
2337
static int type3_handle_irq(const u8 data_mask, const u8 ev)
M
Mattia Dongili 已提交
2338 2339 2340
{
	/*
	 * 0x31 could mean we have to take some extra action and wait for
2341
	 * the next irq for some Type3 models, it will generate a new
M
Mattia Dongili 已提交
2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362
	 * irq and we can read new data from the device:
	 *  - 0x5c and 0x5f requires 0xA0
	 *  - 0x61 requires 0xB3
	 */
	if (data_mask == 0x31) {
		if (ev == 0x5c || ev == 0x5f)
			sony_pic_call1(0xA0);
		else if (ev == 0x61)
			sony_pic_call1(0xB3);
		return 0;
	}
	return 1;
}

static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
{
	struct pci_dev *pcidev;

	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
	if (pcidev) {
2363 2364 2365
		dev->model = SONYPI_DEVICE_TYPE1;
		dev->evport_offset = SONYPI_TYPE1_OFFSET;
		dev->event_types = type1_events;
M
Mattia Dongili 已提交
2366 2367 2368 2369 2370 2371
		goto out;
	}

	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
	if (pcidev) {
2372 2373 2374
		dev->model = SONYPI_DEVICE_TYPE2;
		dev->evport_offset = SONYPI_TYPE2_OFFSET;
		dev->event_types = type2_events;
M
Mattia Dongili 已提交
2375 2376 2377 2378 2379 2380
		goto out;
	}

	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
	if (pcidev) {
2381 2382 2383 2384
		dev->model = SONYPI_DEVICE_TYPE3;
		dev->handle_irq = type3_handle_irq;
		dev->evport_offset = SONYPI_TYPE3_OFFSET;
		dev->event_types = type3_events;
M
Mattia Dongili 已提交
2385 2386 2387 2388 2389 2390
		goto out;
	}

	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
	if (pcidev) {
2391 2392 2393 2394
		dev->model = SONYPI_DEVICE_TYPE3;
		dev->handle_irq = type3_handle_irq;
		dev->evport_offset = SONYPI_TYPE3_OFFSET;
		dev->event_types = type3_events;
M
Mattia Dongili 已提交
2395 2396 2397
		goto out;
	}

2398 2399 2400
	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
	if (pcidev) {
2401 2402 2403 2404
		dev->model = SONYPI_DEVICE_TYPE3;
		dev->handle_irq = type3_handle_irq;
		dev->evport_offset = SONYPI_TYPE3_OFFSET;
		dev->event_types = type3_events;
2405 2406 2407
		goto out;
	}

M
Mattia Dongili 已提交
2408
	/* default */
2409 2410 2411
	dev->model = SONYPI_DEVICE_TYPE2;
	dev->evport_offset = SONYPI_TYPE2_OFFSET;
	dev->event_types = type2_events;
M
Mattia Dongili 已提交
2412 2413 2414 2415 2416

out:
	if (pcidev)
		pci_dev_put(pcidev);

2417 2418 2419
	pr_info("detected Type%d model\n",
		dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
		dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
M
Mattia Dongili 已提交
2420 2421
}

2422 2423 2424
/* camera tests and poweron/poweroff */
#define SONYPI_CAMERA_PICTURE		5
#define SONYPI_CAMERA_CONTROL		0x10
2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452

#define SONYPI_CAMERA_BRIGHTNESS		0
#define SONYPI_CAMERA_CONTRAST			1
#define SONYPI_CAMERA_HUE			2
#define SONYPI_CAMERA_COLOR			3
#define SONYPI_CAMERA_SHARPNESS			4

#define SONYPI_CAMERA_EXPOSURE_MASK		0xC
#define SONYPI_CAMERA_WHITE_BALANCE_MASK	0x3
#define SONYPI_CAMERA_PICTURE_MODE_MASK		0x30
#define SONYPI_CAMERA_MUTE_MASK			0x40

/* the rest don't need a loop until not 0xff */
#define SONYPI_CAMERA_AGC			6
#define SONYPI_CAMERA_AGC_MASK			0x30
#define SONYPI_CAMERA_SHUTTER_MASK 		0x7

#define SONYPI_CAMERA_SHUTDOWN_REQUEST		7
#define SONYPI_CAMERA_CONTROL			0x10

#define SONYPI_CAMERA_STATUS 			7
#define SONYPI_CAMERA_STATUS_READY 		0x2
#define SONYPI_CAMERA_STATUS_POSITION		0x4

#define SONYPI_DIRECTION_BACKWARDS 		0x4

#define SONYPI_CAMERA_REVISION 			8
#define SONYPI_CAMERA_ROMVERSION 		9
2453

2454
static int __sony_pic_camera_ready(void)
2455 2456 2457 2458 2459 2460 2461
{
	u8 v;

	v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
	return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
}

2462
static int __sony_pic_camera_off(void)
2463
{
2464
	if (!camera) {
2465
		pr_warn("camera control not enabled\n");
2466 2467 2468
		return -ENODEV;
	}

2469 2470 2471 2472
	wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
				SONYPI_CAMERA_MUTE_MASK),
			ITERATIONS_SHORT);

2473 2474 2475 2476 2477
	if (spic_dev.camera_power) {
		sony_pic_call2(0x91, 0);
		spic_dev.camera_power = 0;
	}
	return 0;
2478 2479
}

2480
static int __sony_pic_camera_on(void)
2481
{
2482 2483 2484
	int i, j, x;

	if (!camera) {
2485
		pr_warn("camera control not enabled\n");
2486 2487
		return -ENODEV;
	}
2488 2489

	if (spic_dev.camera_power)
2490
		return 0;
2491 2492 2493

	for (j = 5; j > 0; j--) {

2494
		for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
2495 2496 2497 2498
			msleep(10);
		sony_pic_call1(0x93);

		for (i = 400; i > 0; i--) {
2499
			if (__sony_pic_camera_ready())
2500 2501 2502 2503 2504 2505 2506 2507
				break;
			msleep(10);
		}
		if (i)
			break;
	}

	if (j == 0) {
2508
		pr_warn("failed to power on camera\n");
2509
		return -ENODEV;
2510 2511 2512 2513 2514 2515 2516
	}

	wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
				0x5a),
			ITERATIONS_SHORT);

	spic_dev.camera_power = 1;
2517
	return 0;
2518 2519
}

2520 2521 2522 2523 2524 2525 2526 2527 2528
/* External camera command (exported to the motion eye v4l driver) */
int sony_pic_camera_command(int command, u8 value)
{
	if (!camera)
		return -EIO;

	mutex_lock(&spic_dev.lock);

	switch (command) {
2529
	case SONY_PIC_COMMAND_SETCAMERA:
2530 2531 2532 2533 2534
		if (value)
			__sony_pic_camera_on();
		else
			__sony_pic_camera_off();
		break;
2535
	case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
2536 2537 2538
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
				ITERATIONS_SHORT);
		break;
2539
	case SONY_PIC_COMMAND_SETCAMERACONTRAST:
2540 2541 2542
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
				ITERATIONS_SHORT);
		break;
2543
	case SONY_PIC_COMMAND_SETCAMERAHUE:
2544 2545 2546
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
				ITERATIONS_SHORT);
		break;
2547
	case SONY_PIC_COMMAND_SETCAMERACOLOR:
2548 2549 2550
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
				ITERATIONS_SHORT);
		break;
2551
	case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
2552 2553 2554
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
				ITERATIONS_SHORT);
		break;
2555
	case SONY_PIC_COMMAND_SETCAMERAPICTURE:
2556 2557 2558
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
				ITERATIONS_SHORT);
		break;
2559
	case SONY_PIC_COMMAND_SETCAMERAAGC:
2560 2561 2562 2563
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
				ITERATIONS_SHORT);
		break;
	default:
2564
		pr_err("sony_pic_camera_command invalid: %d\n", command);
2565 2566 2567 2568 2569 2570 2571
		break;
	}
	mutex_unlock(&spic_dev.lock);
	return 0;
}
EXPORT_SYMBOL(sony_pic_camera_command);

2572
/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
2573
static void __sony_pic_set_wwanpower(u8 state)
2574 2575
{
	state = !!state;
2576
	if (spic_dev.wwan_power == state)
2577 2578
		return;
	sony_pic_call2(0xB0, state);
2579
	sony_pic_call1(0x82);
2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590
	spic_dev.wwan_power = state;
}

static ssize_t sony_pic_wwanpower_store(struct device *dev,
		struct device_attribute *attr,
		const char *buffer, size_t count)
{
	unsigned long value;
	if (count > 31)
		return -EINVAL;

2591 2592 2593
	if (kstrtoul(buffer, 10, &value))
		return -EINVAL;

2594 2595 2596
	mutex_lock(&spic_dev.lock);
	__sony_pic_set_wwanpower(value);
	mutex_unlock(&spic_dev.lock);
2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610

	return count;
}

static ssize_t sony_pic_wwanpower_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	ssize_t count;
	mutex_lock(&spic_dev.lock);
	count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
	mutex_unlock(&spic_dev.lock);
	return count;
}

2611
/* bluetooth subsystem power state */
2612
static void __sony_pic_set_bluetoothpower(u8 state)
2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629
{
	state = !!state;
	if (spic_dev.bluetooth_power == state)
		return;
	sony_pic_call2(0x96, state);
	sony_pic_call1(0x82);
	spic_dev.bluetooth_power = state;
}

static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
		struct device_attribute *attr,
		const char *buffer, size_t count)
{
	unsigned long value;
	if (count > 31)
		return -EINVAL;

2630 2631 2632
	if (kstrtoul(buffer, 10, &value))
		return -EINVAL;

2633 2634 2635
	mutex_lock(&spic_dev.lock);
	__sony_pic_set_bluetoothpower(value);
	mutex_unlock(&spic_dev.lock);
2636 2637 2638 2639 2640 2641 2642

	return count;
}

static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
2643 2644 2645 2646 2647
	ssize_t count = 0;
	mutex_lock(&spic_dev.lock);
	count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
	mutex_unlock(&spic_dev.lock);
	return count;
2648 2649 2650 2651 2652
}

/* fan speed */
/* FAN0 information (reverse engineered from ACPI tables) */
#define SONY_PIC_FAN0_STATUS	0x93
2653 2654 2655 2656 2657 2658 2659 2660 2661 2662
static int sony_pic_set_fanspeed(unsigned long value)
{
	return ec_write(SONY_PIC_FAN0_STATUS, value);
}

static int sony_pic_get_fanspeed(u8 *value)
{
	return ec_read(SONY_PIC_FAN0_STATUS, value);
}

2663 2664 2665 2666 2667 2668 2669 2670
static ssize_t sony_pic_fanspeed_store(struct device *dev,
		struct device_attribute *attr,
		const char *buffer, size_t count)
{
	unsigned long value;
	if (count > 31)
		return -EINVAL;

2671 2672 2673
	if (kstrtoul(buffer, 10, &value))
		return -EINVAL;

2674
	if (sony_pic_set_fanspeed(value))
2675 2676 2677 2678 2679 2680 2681 2682 2683
		return -EIO;

	return count;
}

static ssize_t sony_pic_fanspeed_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	u8 value = 0;
2684
	if (sony_pic_get_fanspeed(&value))
2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695
		return -EIO;

	return snprintf(buffer, PAGE_SIZE, "%d\n", value);
}

#define SPIC_ATTR(_name, _mode)					\
struct device_attribute spic_attr_##_name = __ATTR(_name,	\
		_mode, sony_pic_## _name ##_show,		\
		sony_pic_## _name ##_store)

static SPIC_ATTR(bluetoothpower, 0644);
2696
static SPIC_ATTR(wwanpower, 0644);
2697 2698 2699 2700
static SPIC_ATTR(fanspeed, 0644);

static struct attribute *spic_attributes[] = {
	&spic_attr_bluetoothpower.attr,
2701
	&spic_attr_wwanpower.attr,
2702 2703 2704 2705 2706 2707 2708 2709
	&spic_attr_fanspeed.attr,
	NULL
};

static struct attribute_group spic_attribute_group = {
	.attrs = spic_attributes
};

2710
/******** SONYPI compatibility **********/
2711
#ifdef CONFIG_SONYPI_COMPAT
2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729

/* battery / brightness / temperature  addresses */
#define SONYPI_BAT_FLAGS	0x81
#define SONYPI_LCD_LIGHT	0x96
#define SONYPI_BAT1_PCTRM	0xa0
#define SONYPI_BAT1_LEFT	0xa2
#define SONYPI_BAT1_MAXRT	0xa4
#define SONYPI_BAT2_PCTRM	0xa8
#define SONYPI_BAT2_LEFT	0xaa
#define SONYPI_BAT2_MAXRT	0xac
#define SONYPI_BAT1_MAXTK	0xb0
#define SONYPI_BAT1_FULL	0xb2
#define SONYPI_BAT2_MAXTK	0xb8
#define SONYPI_BAT2_FULL	0xba
#define SONYPI_TEMP_STATUS	0xC1

struct sonypi_compat_s {
	struct fasync_struct	*fifo_async;
2730
	struct kfifo		fifo;
2731 2732 2733 2734 2735 2736 2737 2738 2739 2740
	spinlock_t		fifo_lock;
	wait_queue_head_t	fifo_proc_list;
	atomic_t		open_count;
};
static struct sonypi_compat_s sonypi_compat = {
	.open_count = ATOMIC_INIT(0),
};

static int sonypi_misc_fasync(int fd, struct file *filp, int on)
{
2741
	return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752
}

static int sonypi_misc_release(struct inode *inode, struct file *file)
{
	atomic_dec(&sonypi_compat.open_count);
	return 0;
}

static int sonypi_misc_open(struct inode *inode, struct file *file)
{
	/* Flush input queue on first open */
A
Alessio Igor Bogani 已提交
2753 2754
	unsigned long flags;

2755
	spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
A
Alessio Igor Bogani 已提交
2756

2757
	if (atomic_inc_return(&sonypi_compat.open_count) == 1)
S
Stefani Seibold 已提交
2758
		kfifo_reset(&sonypi_compat.fifo);
A
Alessio Igor Bogani 已提交
2759

2760
	spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
A
Alessio Igor Bogani 已提交
2761

2762 2763 2764 2765 2766 2767 2768 2769 2770
	return 0;
}

static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
				size_t count, loff_t *pos)
{
	ssize_t ret;
	unsigned char c;

2771
	if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
2772 2773 2774 2775
	    (file->f_flags & O_NONBLOCK))
		return -EAGAIN;

	ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2776
				       kfifo_len(&sonypi_compat.fifo) != 0);
2777 2778 2779 2780
	if (ret)
		return ret;

	while (ret < count &&
2781
	       (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
S
Stefani Seibold 已提交
2782
			  &sonypi_compat.fifo_lock) == sizeof(c))) {
2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798
		if (put_user(c, buf++))
			return -EFAULT;
		ret++;
	}

	if (ret > 0) {
		struct inode *inode = file->f_path.dentry->d_inode;
		inode->i_atime = current_fs_time(inode->i_sb);
	}

	return ret;
}

static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
{
	poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2799
	if (kfifo_len(&sonypi_compat.fifo))
2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814
		return POLLIN | POLLRDNORM;
	return 0;
}

static int ec_read16(u8 addr, u16 *value)
{
	u8 val_lb, val_hb;
	if (ec_read(addr, &val_lb))
		return -1;
	if (ec_read(addr + 1, &val_hb))
		return -1;
	*value = val_lb | (val_hb << 8);
	return 0;
}

A
Alan Cox 已提交
2815 2816
static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
							unsigned long arg)
2817 2818 2819 2820 2821 2822 2823
{
	int ret = 0;
	void __user *argp = (void __user *)arg;
	u8 val8;
	u16 val16;
	int value;

2824
	mutex_lock(&spic_dev.lock);
2825 2826
	switch (cmd) {
	case SONYPI_IOCGBRT:
2827
		if (sony_bl_props.dev == NULL) {
2828 2829 2830
			ret = -EIO;
			break;
		}
2831 2832
		if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
					&value)) {
2833 2834 2835 2836 2837 2838 2839 2840
			ret = -EIO;
			break;
		}
		val8 = ((value & 0xff) - 1) << 5;
		if (copy_to_user(argp, &val8, sizeof(val8)))
				ret = -EFAULT;
		break;
	case SONYPI_IOCSBRT:
2841
		if (sony_bl_props.dev == NULL) {
2842 2843 2844 2845 2846 2847 2848
			ret = -EIO;
			break;
		}
		if (copy_from_user(&val8, argp, sizeof(val8))) {
			ret = -EFAULT;
			break;
		}
2849 2850 2851
		value = (val8 >> 5) + 1;
		if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
					NULL)) {
2852 2853 2854 2855
			ret = -EIO;
			break;
		}
		/* sync the backlight device status */
2856 2857
		sony_bl_props.dev->props.brightness =
		    sony_backlight_get_brightness(sony_bl_props.dev);
2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909
		break;
	case SONYPI_IOCGBAT1CAP:
		if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
			ret = -EIO;
			break;
		}
		if (copy_to_user(argp, &val16, sizeof(val16)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCGBAT1REM:
		if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
			ret = -EIO;
			break;
		}
		if (copy_to_user(argp, &val16, sizeof(val16)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCGBAT2CAP:
		if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
			ret = -EIO;
			break;
		}
		if (copy_to_user(argp, &val16, sizeof(val16)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCGBAT2REM:
		if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
			ret = -EIO;
			break;
		}
		if (copy_to_user(argp, &val16, sizeof(val16)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCGBATFLAGS:
		if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
			ret = -EIO;
			break;
		}
		val8 &= 0x07;
		if (copy_to_user(argp, &val8, sizeof(val8)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCGBLUE:
		val8 = spic_dev.bluetooth_power;
		if (copy_to_user(argp, &val8, sizeof(val8)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCSBLUE:
		if (copy_from_user(&val8, argp, sizeof(val8))) {
			ret = -EFAULT;
			break;
		}
2910
		__sony_pic_set_bluetoothpower(val8);
2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940
		break;
	/* FAN Controls */
	case SONYPI_IOCGFAN:
		if (sony_pic_get_fanspeed(&val8)) {
			ret = -EIO;
			break;
		}
		if (copy_to_user(argp, &val8, sizeof(val8)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCSFAN:
		if (copy_from_user(&val8, argp, sizeof(val8))) {
			ret = -EFAULT;
			break;
		}
		if (sony_pic_set_fanspeed(val8))
			ret = -EIO;
		break;
	/* GET Temperature (useful under APM) */
	case SONYPI_IOCGTEMP:
		if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
			ret = -EIO;
			break;
		}
		if (copy_to_user(argp, &val8, sizeof(val8)))
			ret = -EFAULT;
		break;
	default:
		ret = -EINVAL;
	}
2941
	mutex_unlock(&spic_dev.lock);
2942 2943 2944 2945 2946 2947 2948 2949 2950 2951
	return ret;
}

static const struct file_operations sonypi_misc_fops = {
	.owner		= THIS_MODULE,
	.read		= sonypi_misc_read,
	.poll		= sonypi_misc_poll,
	.open		= sonypi_misc_open,
	.release	= sonypi_misc_release,
	.fasync		= sonypi_misc_fasync,
A
Alan Cox 已提交
2952
	.unlocked_ioctl	= sonypi_misc_ioctl,
2953
	.llseek		= noop_llseek,
2954 2955 2956 2957 2958 2959 2960 2961 2962 2963
};

static struct miscdevice sonypi_misc_device = {
	.minor		= MISC_DYNAMIC_MINOR,
	.name		= "sonypi",
	.fops		= &sonypi_misc_fops,
};

static void sonypi_compat_report_event(u8 event)
{
2964
	kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
S
Stefani Seibold 已提交
2965
			sizeof(event), &sonypi_compat.fifo_lock);
2966 2967 2968 2969 2970 2971 2972 2973 2974
	kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
	wake_up_interruptible(&sonypi_compat.fifo_proc_list);
}

static int sonypi_compat_init(void)
{
	int error;

	spin_lock_init(&sonypi_compat.fifo_lock);
2975
	error =
S
Stefani Seibold 已提交
2976
	 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
2977
	if (error) {
2978
		pr_err("kfifo_alloc failed\n");
2979
		return error;
2980 2981 2982 2983 2984 2985 2986 2987
	}

	init_waitqueue_head(&sonypi_compat.fifo_proc_list);

	if (minor != -1)
		sonypi_misc_device.minor = minor;
	error = misc_register(&sonypi_misc_device);
	if (error) {
2988
		pr_err("misc_register failed\n");
2989 2990 2991
		goto err_free_kfifo;
	}
	if (minor == -1)
2992 2993
		pr_info("device allocated minor is %d\n",
			sonypi_misc_device.minor);
2994 2995 2996 2997

	return 0;

err_free_kfifo:
2998
	kfifo_free(&sonypi_compat.fifo);
2999 3000 3001 3002 3003 3004
	return error;
}

static void sonypi_compat_exit(void)
{
	misc_deregister(&sonypi_misc_device);
3005
	kfifo_free(&sonypi_compat.fifo);
3006 3007 3008 3009 3010
}
#else
static int sonypi_compat_init(void) { return 0; }
static void sonypi_compat_exit(void) { }
static void sonypi_compat_report_event(u8 event) { }
3011
#endif /* CONFIG_SONYPI_COMPAT */
3012

3013
/*
3014
 * ACPI callbacks
3015
 */
3016 3017 3018 3019 3020 3021 3022 3023
static acpi_status
sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
{
	u32 i;
	struct sony_pic_dev *dev = (struct sony_pic_dev *)context;

	switch (resource->type) {
	case ACPI_RESOURCE_TYPE_START_DEPENDENT:
3024 3025 3026 3027 3028 3029 3030 3031 3032 3033
		{
			/* start IO enumeration */
			struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
			if (!ioport)
				return AE_ERROR;

			list_add(&ioport->list, &dev->ioports);
			return AE_OK;
		}

3034
	case ACPI_RESOURCE_TYPE_END_DEPENDENT:
3035
		/* end IO enumeration */
3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051
		return AE_OK;

	case ACPI_RESOURCE_TYPE_IRQ:
		{
			struct acpi_resource_irq *p = &resource->data.irq;
			struct sony_pic_irq *interrupt = NULL;
			if (!p || !p->interrupt_count) {
				/*
				 * IRQ descriptors may have no IRQ# bits set,
				 * particularly those those w/ _STA disabled
				 */
				dprintk("Blank IRQ resource\n");
				return AE_OK;
			}
			for (i = 0; i < p->interrupt_count; i++) {
				if (!p->interrupts[i]) {
3052 3053
					pr_warn("Invalid IRQ %d\n",
						p->interrupts[i]);
3054 3055 3056 3057 3058 3059 3060
					continue;
				}
				interrupt = kzalloc(sizeof(*interrupt),
						GFP_KERNEL);
				if (!interrupt)
					return AE_ERROR;

3061
				list_add(&interrupt->list, &dev->interrupts);
3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072
				interrupt->irq.triggering = p->triggering;
				interrupt->irq.polarity = p->polarity;
				interrupt->irq.sharable = p->sharable;
				interrupt->irq.interrupt_count = 1;
				interrupt->irq.interrupts[0] = p->interrupts[i];
			}
			return AE_OK;
		}
	case ACPI_RESOURCE_TYPE_IO:
		{
			struct acpi_resource_io *io = &resource->data.io;
3073 3074
			struct sony_pic_ioport *ioport =
				list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
3075 3076 3077 3078 3079
			if (!io) {
				dprintk("Blank IO resource\n");
				return AE_OK;
			}

3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090
			if (!ioport->io1.minimum) {
				memcpy(&ioport->io1, io, sizeof(*io));
				dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
						ioport->io1.address_length);
			}
			else if (!ioport->io2.minimum) {
				memcpy(&ioport->io2, io, sizeof(*io));
				dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
						ioport->io2.address_length);
			}
			else {
3091
				pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
3092
				return AE_ERROR;
3093
			}
3094 3095 3096 3097
			return AE_OK;
		}
	default:
		dprintk("Resource %d isn't an IRQ nor an IO port\n",
3098
			resource->type);
3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118

	case ACPI_RESOURCE_TYPE_END_TAG:
		return AE_OK;
	}
	return AE_CTRL_TERMINATE;
}

static int sony_pic_possible_resources(struct acpi_device *device)
{
	int result = 0;
	acpi_status status = AE_OK;

	if (!device)
		return -EINVAL;

	/* get device status */
	/* see acpi_pci_link_get_current acpi_pci_link_get_possible */
	dprintk("Evaluating _STA\n");
	result = acpi_bus_get_status(device);
	if (result) {
3119
		pr_warn("Unable to read status\n");
3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134
		goto end;
	}

	if (!device->status.enabled)
		dprintk("Device disabled\n");
	else
		dprintk("Device enabled\n");

	/*
	 * Query and parse 'method'
	 */
	dprintk("Evaluating %s\n", METHOD_NAME__PRS);
	status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
			sony_pic_read_possible_resource, &spic_dev);
	if (ACPI_FAILURE(status)) {
3135
		pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146
		result = -ENODEV;
	}
end:
	return result;
}

/*
 *  Disable the spic device by calling its _DIS method
 */
static int sony_pic_disable(struct acpi_device *device)
{
3147 3148 3149 3150
	acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
					       NULL);

	if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167
		return -ENXIO;

	dprintk("Device disabled\n");
	return 0;
}


/*
 *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
 *
 *  Call _SRS to set current resources
 */
static int sony_pic_enable(struct acpi_device *device,
		struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
{
	acpi_status status;
	int result = 0;
3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178
	/* Type 1 resource layout is:
	 *    IO
	 *    IO
	 *    IRQNoFlags
	 *    End
	 *
	 * Type 2 and 3 resource layout is:
	 *    IO
	 *    IRQNoFlags
	 *    End
	 */
3179
	struct {
3180 3181 3182 3183
		struct acpi_resource res1;
		struct acpi_resource res2;
		struct acpi_resource res3;
		struct acpi_resource res4;
3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197
	} *resource;
	struct acpi_buffer buffer = { 0, NULL };

	if (!ioport || !irq)
		return -EINVAL;

	/* init acpi_buffer */
	resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
	if (!resource)
		return -ENOMEM;

	buffer.length = sizeof(*resource) + 1;
	buffer.pointer = resource;

3198
	/* setup Type 1 resources */
3199
	if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
3200

3201 3202 3203 3204 3205
		/* setup io resources */
		resource->res1.type = ACPI_RESOURCE_TYPE_IO;
		resource->res1.length = sizeof(struct acpi_resource);
		memcpy(&resource->res1.data.io, &ioport->io1,
				sizeof(struct acpi_resource_io));
3206

3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240
		resource->res2.type = ACPI_RESOURCE_TYPE_IO;
		resource->res2.length = sizeof(struct acpi_resource);
		memcpy(&resource->res2.data.io, &ioport->io2,
				sizeof(struct acpi_resource_io));

		/* setup irq resource */
		resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
		resource->res3.length = sizeof(struct acpi_resource);
		memcpy(&resource->res3.data.irq, &irq->irq,
				sizeof(struct acpi_resource_irq));
		/* we requested a shared irq */
		resource->res3.data.irq.sharable = ACPI_SHARED;

		resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;

	}
	/* setup Type 2/3 resources */
	else {
		/* setup io resource */
		resource->res1.type = ACPI_RESOURCE_TYPE_IO;
		resource->res1.length = sizeof(struct acpi_resource);
		memcpy(&resource->res1.data.io, &ioport->io1,
				sizeof(struct acpi_resource_io));

		/* setup irq resource */
		resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
		resource->res2.length = sizeof(struct acpi_resource);
		memcpy(&resource->res2.data.irq, &irq->irq,
				sizeof(struct acpi_resource_irq));
		/* we requested a shared irq */
		resource->res2.data.irq.sharable = ACPI_SHARED;

		resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
	}
3241 3242 3243 3244 3245 3246 3247

	/* Attempt to set the resource */
	dprintk("Evaluating _SRS\n");
	status = acpi_set_current_resources(device->handle, &buffer);

	/* check for total failure */
	if (ACPI_FAILURE(status)) {
3248
		pr_err("Error evaluating _SRS\n");
3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276
		result = -ENODEV;
		goto end;
	}

	/* Necessary device initializations calls (from sonypi) */
	sony_pic_call1(0x82);
	sony_pic_call2(0x81, 0xff);
	sony_pic_call1(compat ? 0x92 : 0x82);

end:
	kfree(resource);
	return result;
}

/*****************
 *
 * ISR: some event is available
 *
 *****************/
static irqreturn_t sony_pic_irq(int irq, void *dev_id)
{
	int i, j;
	u8 ev = 0;
	u8 data_mask = 0;
	u8 device_event = 0;

	struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;

3277 3278 3279 3280
	ev = inb_p(dev->cur_ioport->io1.minimum);
	if (dev->cur_ioport->io2.minimum)
		data_mask = inb_p(dev->cur_ioport->io2.minimum);
	else
3281
		data_mask = inb_p(dev->cur_ioport->io1.minimum +
3282
				dev->evport_offset);
3283

3284
	dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
3285
			ev, data_mask, dev->cur_ioport->io1.minimum,
3286
			dev->evport_offset);
3287 3288 3289 3290

	if (ev == 0x00 || ev == 0xff)
		return IRQ_HANDLED;

3291
	for (i = 0; dev->event_types[i].mask; i++) {
3292

3293 3294
		if ((data_mask & dev->event_types[i].data) !=
		    dev->event_types[i].data)
3295 3296
			continue;

3297
		if (!(mask & dev->event_types[i].mask))
3298 3299
			continue;

3300 3301
		for (j = 0; dev->event_types[i].events[j].event; j++) {
			if (ev == dev->event_types[i].events[j].data) {
3302
				device_event =
3303
					dev->event_types[i].events[j].event;
3304 3305 3306
				/* some events may require ignoring */
				if (!device_event)
					return IRQ_HANDLED;
3307 3308 3309 3310
				goto found;
			}
		}
	}
M
Mattia Dongili 已提交
3311 3312 3313
	/* Still not able to decode the event try to pass
	 * it over to the minidriver
	 */
3314
	if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
M
Mattia Dongili 已提交
3315 3316
		return IRQ_HANDLED;

3317 3318
	dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
			ev, data_mask, dev->cur_ioport->io1.minimum,
3319
			dev->evport_offset);
3320 3321 3322
	return IRQ_HANDLED;

found:
3323
	sony_laptop_report_input_event(device_event);
3324
	acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
3325
	sonypi_compat_report_event(device_event);
3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339
	return IRQ_HANDLED;
}

/*****************
 *
 *  ACPI driver
 *
 *****************/
static int sony_pic_remove(struct acpi_device *device, int type)
{
	struct sony_pic_ioport *io, *tmp_io;
	struct sony_pic_irq *irq, *tmp_irq;

	if (sony_pic_disable(device)) {
3340
		pr_err("Couldn't disable device\n");
3341 3342 3343 3344
		return -ENXIO;
	}

	free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
3345 3346 3347 3348 3349
	release_region(spic_dev.cur_ioport->io1.minimum,
			spic_dev.cur_ioport->io1.address_length);
	if (spic_dev.cur_ioport->io2.minimum)
		release_region(spic_dev.cur_ioport->io2.minimum,
				spic_dev.cur_ioport->io2.address_length);
3350

3351 3352
	sonypi_compat_exit();

3353
	sony_laptop_remove_input();
3354

3355 3356 3357 3358
	/* pf attrs */
	sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
	sony_pf_remove();

3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369
	list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
		list_del(&io->list);
		kfree(io);
	}
	list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
		list_del(&irq->list);
		kfree(irq);
	}
	spic_dev.cur_ioport = NULL;
	spic_dev.cur_irq = NULL;

3370
	dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
3371 3372 3373 3374 3375 3376 3377 3378 3379
	return 0;
}

static int sony_pic_add(struct acpi_device *device)
{
	int result;
	struct sony_pic_ioport *io, *tmp_io;
	struct sony_pic_irq *irq, *tmp_irq;

3380
	pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
3381 3382 3383

	spic_dev.acpi_dev = device;
	strcpy(acpi_device_class(device), "sony/hotkey");
3384
	sony_pic_detect_device_type(&spic_dev);
3385
	mutex_init(&spic_dev.lock);
3386 3387 3388 3389

	/* read _PRS resources */
	result = sony_pic_possible_resources(device);
	if (result) {
3390
		pr_err("Unable to read possible resources\n");
3391 3392 3393 3394
		goto err_free_resources;
	}

	/* setup input devices and helper fifo */
3395
	result = sony_laptop_setup_input(device);
3396
	if (result) {
3397
		pr_err("Unable to create input devices\n");
3398 3399 3400
		goto err_free_resources;
	}

3401 3402 3403
	if (sonypi_compat_init())
		goto err_remove_input;

3404
	/* request io port */
3405 3406
	list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
		if (request_region(io->io1.minimum, io->io1.address_length,
3407
					"Sony Programmable I/O Device")) {
3408 3409 3410 3411 3412 3413 3414
			dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
					io->io1.minimum, io->io1.maximum,
					io->io1.address_length);
			/* Type 1 have 2 ioports */
			if (io->io2.minimum) {
				if (request_region(io->io2.minimum,
						io->io2.address_length,
3415
						"Sony Programmable I/O Device")) {
3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434
					dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
							io->io2.minimum, io->io2.maximum,
							io->io2.address_length);
					spic_dev.cur_ioport = io;
					break;
				}
				else {
					dprintk("Unable to get I/O port2: "
							"0x%.4x (0x%.4x) + 0x%.2x\n",
							io->io2.minimum, io->io2.maximum,
							io->io2.address_length);
					release_region(io->io1.minimum,
							io->io1.address_length);
				}
			}
			else {
				spic_dev.cur_ioport = io;
				break;
			}
3435 3436 3437
		}
	}
	if (!spic_dev.cur_ioport) {
3438
		pr_err("Failed to request_region\n");
3439
		result = -ENODEV;
3440
		goto err_remove_compat;
3441 3442 3443
	}

	/* request IRQ */
3444
	list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
3445
		if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
Y
Yong Zhang 已提交
3446
					0, "sony-laptop", &spic_dev)) {
3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457
			dprintk("IRQ: %d - triggering: %d - "
					"polarity: %d - shr: %d\n",
					irq->irq.interrupts[0],
					irq->irq.triggering,
					irq->irq.polarity,
					irq->irq.sharable);
			spic_dev.cur_irq = irq;
			break;
		}
	}
	if (!spic_dev.cur_irq) {
3458
		pr_err("Failed to request_irq\n");
3459 3460 3461 3462 3463 3464 3465
		result = -ENODEV;
		goto err_release_region;
	}

	/* set resource status _SRS */
	result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
	if (result) {
3466
		pr_err("Couldn't enable device\n");
3467 3468 3469
		goto err_free_irq;
	}

3470 3471 3472 3473 3474 3475 3476 3477 3478 3479
	spic_dev.bluetooth_power = -1;
	/* create device attributes */
	result = sony_pf_add();
	if (result)
		goto err_disable_device;

	result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
	if (result)
		goto err_remove_pf;

3480 3481
	return 0;

3482 3483 3484 3485 3486 3487
err_remove_pf:
	sony_pf_remove();

err_disable_device:
	sony_pic_disable(device);

3488 3489 3490 3491
err_free_irq:
	free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);

err_release_region:
3492 3493 3494 3495 3496
	release_region(spic_dev.cur_ioport->io1.minimum,
			spic_dev.cur_ioport->io1.address_length);
	if (spic_dev.cur_ioport->io2.minimum)
		release_region(spic_dev.cur_ioport->io2.minimum,
				spic_dev.cur_ioport->io2.address_length);
3497

3498 3499 3500
err_remove_compat:
	sonypi_compat_exit();

3501
err_remove_input:
3502
	sony_laptop_remove_input();
3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531

err_free_resources:
	list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
		list_del(&io->list);
		kfree(io);
	}
	list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
		list_del(&irq->list);
		kfree(irq);
	}
	spic_dev.cur_ioport = NULL;
	spic_dev.cur_irq = NULL;

	return result;
}

static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
{
	if (sony_pic_disable(device))
		return -ENXIO;
	return 0;
}

static int sony_pic_resume(struct acpi_device *device)
{
	sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
	return 0;
}

3532 3533 3534 3535 3536
static const struct acpi_device_id sony_pic_device_ids[] = {
	{SONY_PIC_HID, 0},
	{"", 0},
};

3537 3538 3539
static struct acpi_driver sony_pic_driver = {
	.name = SONY_PIC_DRIVER_NAME,
	.class = SONY_PIC_CLASS,
3540
	.ids = sony_pic_device_ids,
3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566 3567
	.owner = THIS_MODULE,
	.ops = {
		.add = sony_pic_add,
		.remove = sony_pic_remove,
		.suspend = sony_pic_suspend,
		.resume = sony_pic_resume,
		},
};

static struct dmi_system_id __initdata sonypi_dmi_table[] = {
	{
		.ident = "Sony Vaio",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
			DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
		},
	},
	{
		.ident = "Sony Vaio",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
		},
	},
	{ }
};

3568
static int __init sony_laptop_init(void)
3569
{
3570 3571 3572 3573 3574
	int result;

	if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
		result = acpi_bus_register_driver(&sony_pic_driver);
		if (result) {
3575
			pr_err("Unable to register SPIC driver\n");
3576 3577
			goto out;
		}
3578
		spic_drv_registered = 1;
3579 3580 3581 3582
	}

	result = acpi_bus_register_driver(&sony_nc_driver);
	if (result) {
3583
		pr_err("Unable to register SNC driver\n");
3584 3585 3586 3587 3588 3589
		goto out_unregister_pic;
	}

	return 0;

out_unregister_pic:
3590
	if (spic_drv_registered)
3591 3592 3593
		acpi_bus_unregister_driver(&sony_pic_driver);
out:
	return result;
3594 3595
}

3596
static void __exit sony_laptop_exit(void)
3597
{
3598
	acpi_bus_unregister_driver(&sony_nc_driver);
3599
	if (spic_drv_registered)
3600
		acpi_bus_unregister_driver(&sony_pic_driver);
3601 3602
}

3603 3604
module_init(sony_laptop_init);
module_exit(sony_laptop_exit);