diff options
Diffstat (limited to 'drivers/misc/sony-laptop.c')
| -rw-r--r-- | drivers/misc/sony-laptop.c | 2784 |
1 files changed, 0 insertions, 2784 deletions
diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c deleted file mode 100644 index 537959d..0000000 --- a/drivers/misc/sony-laptop.c +++ /dev/null @@ -1,2784 +0,0 @@ -/* - * ACPI Sony Notebook Control Driver (SNC and SPIC) - * - * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net> - * Copyright (C) 2007 Mattia Dongili <malattia@linux.it> - * - * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c - * which are copyrighted by their respective authors. - * - * 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> - * - * Copyright (C) 2001-2002 Alcôve <www.alcove.com> - * - * 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. - * - * 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. - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/init.h> -#include <linux/smp_lock.h> -#include <linux/types.h> -#include <linux/backlight.h> -#include <linux/platform_device.h> -#include <linux/err.h> -#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> -#include <acpi/acpi_drivers.h> -#include <acpi/acpi_bus.h> -#include <asm/uaccess.h> -#include <linux/sonypi.h> -#include <linux/sony-laptop.h> -#ifdef CONFIG_SONYPI_COMPAT -#include <linux/poll.h> -#include <linux/miscdevice.h> -#endif - -#define DRV_PFX "sony-laptop: " -#define dprintk(msg...) do { \ - if (debug) printk(KERN_WARNING DRV_PFX msg); \ -} while (0) - -#define SONY_LAPTOP_DRIVER_VERSION "0.6" - -#define SONY_NC_CLASS "sony-nc" -#define SONY_NC_HID "SNY5001" -#define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver" - -#define SONY_PIC_CLASS "sony-pic" -#define SONY_PIC_HID "SNY6001" -#define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver" - -MODULE_AUTHOR("Stelian Pop, Mattia Dongili"); -MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION); - -static int debug; -module_param(debug, int, 0); -MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help " - "the development of this driver"); - -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, - "set this if you want to enable backward compatibility mode"); - -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)"); - -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)"); - -#ifdef CONFIG_SONYPI_COMPAT -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 - -/*********** 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; - struct kfifo *fifo; - spinlock_t fifo_lock; - struct workqueue_struct *wq; -}; -static struct sony_laptop_input_s sony_laptop_input = { - .users = ATOMIC_INIT(0), -}; - -struct sony_laptop_keypress { - struct input_dev *dev; - int key; -}; - -/* Correspondance table between sonypi events - * and input layer indexes in the keymap - */ -static int sony_laptop_input_index[] = { - -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 */ -}; - -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 */ - KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */ - KEY_ZOOMOUT /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */ -}; - -/* release buttons after a short delay if pressed */ -static void do_sony_laptop_release_key(struct work_struct *work) -{ - struct sony_laptop_keypress kp; - - while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp, - sizeof(kp)) == sizeof(kp)) { - msleep(10); - input_report_key(kp.dev, kp.key, 0); - input_sync(kp.dev); - } -} -static DECLARE_WORK(sony_laptop_release_key_work, - do_sony_laptop_release_key); - -/* forward event to the input subsystem */ -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 }; - - if (event == SONYPI_EVENT_FNKEY_RELEASED) { - /* 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: - if (event >= ARRAY_SIZE(sony_laptop_input_index)) { - dprintk("sony_laptop_report_input_event, event not known: %d\n", event); - break; - } - if (sony_laptop_input_index[event] != -1) { - kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]]; - if (kp.key != KEY_UNKNOWN) - kp.dev = key_dev; - } - break; - } - - if (kp.dev) { - input_report_key(kp.dev, kp.key, 1); - /* we emit the scancode so we can always remap the key */ - input_event(kp.dev, EV_MSC, MSC_SCAN, event); - input_sync(kp.dev); - kfifo_put(sony_laptop_input.fifo, - (unsigned char *)&kp, sizeof(kp)); - - if (!work_pending(&sony_laptop_release_key_work)) - queue_work(sony_laptop_input.wq, - &sony_laptop_release_key_work); - } else - dprintk("unknown input event %.2x\n", event); -} - -static int sony_laptop_setup_input(struct acpi_device *acpi_device) -{ - 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); - sony_laptop_input.fifo = - kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL, - &sony_laptop_input.fifo_lock); - if (IS_ERR(sony_laptop_input.fifo)) { - printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n"); - error = PTR_ERR(sony_laptop_input.fifo); - goto err_dec_users; - } - - /* init workqueue */ - sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop"); - if (!sony_laptop_input.wq) { - printk(KERN_ERR DRV_PFX - "Unabe to create workqueue.\n"); - error = -ENXIO; - goto err_free_kfifo; - } - - /* input keys */ - key_dev = input_allocate_device(); - if (!key_dev) { - error = -ENOMEM; - goto err_destroy_wq; - } - - key_dev->name = "Sony Vaio Keys"; - key_dev->id.bustype = BUS_ISA; - key_dev->id.vendor = PCI_VENDOR_ID_SONY; - key_dev->dev.parent = &acpi_device->dev; - - /* Initialize the Input Drivers: special keys */ - set_bit(EV_KEY, key_dev->evbit); - set_bit(EV_MSC, key_dev->evbit); - set_bit(MSC_SCAN, key_dev->mscbit); - 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; - for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) { - if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) { - set_bit(sony_laptop_input_keycode_map[i], - key_dev->keybit); - } - } - - 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; - key_dev->dev.parent = &acpi_device->dev; - - jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); - jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE); - jog_dev->relbit[0] = BIT_MASK(REL_WHEEL); - - 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_destroy_wq: - destroy_workqueue(sony_laptop_input.wq); - -err_free_kfifo: - kfifo_free(sony_laptop_input.fifo); - -err_dec_users: - atomic_dec(&sony_laptop_input.users); - return error; -} - -static void sony_laptop_remove_input(void) -{ - /* cleanup only after the last user has gone */ - if (!atomic_dec_and_test(&sony_laptop_input.users)) - return; - - /* flush workqueue first */ - flush_workqueue(sony_laptop_input.wq); - - /* 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; - } - - destroy_workqueue(sony_laptop_input.wq); - kfifo_free(sony_laptop_input.fifo); -} - -/*********** 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; - - platform_device_del(sony_pf_device); - platform_device_put(sony_pf_device); - platform_driver_unregister(&sony_pf_driver); -} - -/*********** SNC (SNY5001) Device ***********/ - -/* 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 - -static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *, - char *); -static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *, - const char *, size_t); -static int boolean_validate(const int, const int); -static int brightness_default_validate(const int, const int); - -struct sony_nc_value { - char *name; /* name of the entry */ - char **acpiget; /* names of the ACPI get function */ - char **acpiset; /* names of the ACPI set function */ - int (*validate)(const int, const int); /* input/output validation */ - int value; /* current setting */ - int valid; /* Has ever been set */ - int debug; /* active only in debug mode ? */ - struct device_attribute devattr; /* sysfs atribute */ -}; - -#define SNC_HANDLE_NAMES(_name, _values...) \ - static char *snc_##_name[] = { _values, NULL } - -#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \ - { \ - .name = __stringify(_name), \ - .acpiget = _getters, \ - .acpiset = _setters, \ - .validate = _validate, \ - .debug = _debug, \ - .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \ - } - -#define SNC_HANDLE_NULL { .name = NULL } - -SNC_HANDLE_NAMES(fnkey_get, "GHKE"); - -SNC_HANDLE_NAMES(brightness_def_get, "GPBR"); -SNC_HANDLE_NAMES(brightness_def_set, "SPBR"); - -SNC_HANDLE_NAMES(cdpower_get, "GCDP"); -SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW"); - -SNC_HANDLE_NAMES(audiopower_get, "GAZP"); -SNC_HANDLE_NAMES(audiopower_set, "AZPW"); - -SNC_HANDLE_NAMES(lanpower_get, "GLNP"); -SNC_HANDLE_NAMES(lanpower_set, "LNPW"); - -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"); - -SNC_HANDLE_NAMES(PID_get, "GPID"); - -SNC_HANDLE_NAMES(CTR_get, "GCTR"); -SNC_HANDLE_NAMES(CTR_set, "SCTR"); - -SNC_HANDLE_NAMES(PCR_get, "GPCR"); -SNC_HANDLE_NAMES(PCR_set, "SPCR"); - -SNC_HANDLE_NAMES(CMI_get, "GCMI"); -SNC_HANDLE_NAMES(CMI_set, "SCMI"); - -static struct sony_nc_value sony_nc_values[] = { - SNC_HANDLE(brightness_default, snc_brightness_def_get, - snc_brightness_def_set, brightness_default_validate, 0), - 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, - boolean_validate, 0), - SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set, - boolean_validate, 1), - 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), - /* unknown methods */ - 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 -}; - -static acpi_handle sony_nc_acpi_handle; -static struct acpi_device *sony_nc_acpi_device = NULL; - -/* - * acpi_evaluate_object wrappers - */ -static int acpi_callgetfunc(acpi_handle handle, char *name, int *result) -{ - struct acpi_buffer output; - union acpi_object out_obj; - acpi_status status; - - output.length = sizeof(out_obj); - output.pointer = &out_obj; - - status = acpi_evaluate_object(handle, name, NULL, &output); - if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) { - *result = out_obj.integer.value; - return 0; - } - - printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n"); - - return -1; -} - -static int acpi_callsetfunc(acpi_handle handle, char *name, int value, - int *result) -{ - struct acpi_object_list params; - union acpi_object in_obj; - struct acpi_buffer output; - union acpi_object out_obj; - acpi_status status; - - params.count = 1; - params.pointer = &in_obj; - in_obj.type = ACPI_TYPE_INTEGER; - in_obj.integer.value = value; - - output.length = sizeof(out_obj); - output.pointer = &out_obj; - - status = acpi_evaluate_object(handle, name, ¶ms, &output); - if (status == AE_OK) { - if (result != NULL) { - if (out_obj.type != ACPI_TYPE_INTEGER) { - printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad " - "return type\n"); - return -1; - } - *result = out_obj.integer.value; - } - return 0; - } - - printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n"); - - return -1; -} - -/* - * sony_nc_values input/output validate functions - */ - -/* 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; -} - -/* - * Sysfs show/store common to all sony_nc_values - */ -static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr, - char *buffer) -{ - int value; - struct sony_nc_value *item = - container_of(attr, struct sony_nc_value, devattr); - - if (!*item->acpiget) - return -EIO; - - if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0) - return -EIO; - - if (item->validate) - value = item->validate(SNC_VALIDATE_OUT, value); - - return snprintf(buffer, PAGE_SIZE, "%d\n", value); -} - -static ssize_t sony_nc_sysfs_store(struct device *dev, - struct device_attribute *attr, - const char *buffer, size_t count) -{ - int value; - struct sony_nc_value *item = - container_of(attr, struct sony_nc_value, devattr); - - if (!item->acpiset) - return -EIO; - - if (count > 31) - return -EINVAL; - - value = simple_strtoul(buffer, NULL, 10); - - if (item->validate) - value = item->validate(SNC_VALIDATE_IN, value); - - if (value < 0) - return value; - - if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0) - return -EIO; - item->value = value; - item->valid = 1; - return count; -} - - -/* - * Backlight device - */ -static int sony_backlight_update_status(struct backlight_device *bd) -{ - return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT", - bd->props.brightness + 1, NULL); -} - -static int sony_backlight_get_brightness(struct backlight_device *bd) -{ - int value; - - if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) - return 0; - /* brightness levels are 1-based, while backlight ones are 0-based */ - return value - 1; -} - -static struct backlight_device *sony_backlight_device; -static struct backlight_ops sony_backlight_ops = { - .update_status = sony_backlight_update_status, - .get_brightness = sony_backlight_get_brightness, -}; - -/* - * New SNC-only Vaios event mapping to driver known keys - */ -struct sony_nc_event { - u8 data; - u8 event; -}; - -static struct sony_nc_event *sony_nc_events; - -/* Vaio C* --maybe also FE*, N* and AR* ?-- special init sequence - * for Fn keys - */ -static int sony_nc_C_enable(const struct dmi_system_id *id) -{ - int result = 0; - - printk(KERN_NOTICE DRV_PFX "detected %s\n", id->ident); - - sony_nc_events = id->driver_data; - - if (acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0x4, &result) < 0 - || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x2, &result) < 0 - || acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0x10, &result) < 0 - || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x0, &result) < 0 - || acpi_callsetfunc(sony_nc_acpi_handle, "SN03", 0x2, &result) < 0 - || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x101, &result) < 0) { - printk(KERN_WARNING DRV_PFX "failed to initialize SNC, some " - "functionalities may be missing\n"); - return 1; - } - return 0; -} - -static struct sony_nc_event sony_C_events[] = { - { 0x81, SONYPI_EVENT_FNKEY_F1 }, - { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, - { 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 }, - { 0x8A, SONYPI_EVENT_FNKEY_F10 }, - { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, - { 0x8C, SONYPI_EVENT_FNKEY_F12 }, - { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, - { 0, 0 }, -}; - -/* SNC-only model map */ -static const struct dmi_system_id sony_nc_ids[] = { - { - .ident = "Sony Vaio FE Series", - .callback = sony_nc_C_enable, - .driver_data = sony_C_events, - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FE"), - }, - }, - { - .ident = "Sony Vaio FZ Series", - .callback = sony_nc_C_enable, - .driver_data = sony_C_events, - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ"), - }, - }, - { - .ident = "Sony Vaio C Series", - .callback = sony_nc_C_enable, - .driver_data = sony_C_events, - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VGN-C"), - }, - }, - { - .ident = "Sony Vaio N Series", - .callback = sony_nc_C_enable, - .driver_data = sony_C_events, - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VGN-N"), - }, - }, - { } -}; - -/* - * ACPI callbacks - */ -static void sony_acpi_notify(acpi_handle handle, u32 event, void *data) -{ - struct sony_nc_event *evmap; - u32 ev = event; - int result; - - if (ev == 0x92) { - /* read the key pressed from EC.GECR - * A call to SN07 with 0x0202 will do it as well respecting - * the current protocol on different OSes - * - * Note: the path for GECR may be - * \_SB.PCI0.LPCB.EC (C, FE, AR, N and friends) - * \_SB.PCI0.PIB.EC0 (VGN-FR notifications are sent directly, no GECR) - * - * TODO: we may want to do the same for the older GHKE -need - * dmi list- so this snippet may become one more callback. - */ - if (acpi_callsetfunc(handle, "SN07", 0x0202, &result) < 0) - dprintk("sony_acpi_notify, unable to decode event 0x%.2x\n", ev); - else - ev = result & 0xFF; - } - - if (sony_nc_events) - for (evmap = sony_nc_events; evmap->event; evmap++) { - if (evmap->data == ev) { - ev = evmap->event; - break; - } - } - - dprintk("sony_acpi_notify, event: 0x%.2x\n", ev); - sony_laptop_report_input_event(ev); - acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev); -} - -static acpi_status sony_walk_callback(acpi_handle handle, u32 level, - void *context, void **return_value) -{ - struct acpi_device_info *info; - struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL}; - - if (ACPI_SUCCESS(acpi_get_object_info(handle, &buffer))) { - info = buffer.pointer; - - printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n", - (char *)&info->name, info->param_count); - - kfree(buffer.pointer); - } - - return AE_OK; -} - -/* - * ACPI device - */ -static int sony_nc_resume(struct acpi_device *device) -{ - struct sony_nc_value *item; - - for (item = sony_nc_values; item->name; item++) { - int ret; - - if (!item->valid) - continue; - ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, - item->value, NULL); - if (ret < 0) { - printk("%s: %d\n", __func__, ret); - break; - } - } - - /* set the last requested brightness level */ - if (sony_backlight_device && - !sony_backlight_update_status(sony_backlight_device)) - printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n"); - - /* re-initialize models with specific requirements */ - dmi_check_system(sony_nc_ids); - - return 0; -} - -static int sony_nc_add(struct acpi_device *device) -{ - acpi_status status; - int result = 0; - acpi_handle handle; - struct sony_nc_value *item; - - printk(KERN_INFO DRV_PFX "%s v%s.\n", - SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); - - sony_nc_acpi_device = device; - strcpy(acpi_device_class(device), "sony/hotkey"); - - sony_nc_acpi_handle = device->handle; - - /* 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; - } - - if (debug) { - status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle, - 1, sony_walk_callback, NULL, NULL); - if (ACPI_FAILURE(status)) { - printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n"); - result = -ENODEV; - goto outwalk; - } - } - - /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1 - * should be respected as we already checked for the device presence above */ - if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) { - dprintk("Invoking _INI\n"); - if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI, - NULL, NULL))) - dprintk("_INI Method failed\n"); - } - - /* setup input devices and helper fifo */ - result = sony_laptop_setup_input(device); - if (result) { - printk(KERN_ERR DRV_PFX - "Unabe to create input devices.\n"); - goto outwalk; - } - - status = acpi_install_notify_handler(sony_nc_acpi_handle, - ACPI_DEVICE_NOTIFY, - sony_acpi_notify, NULL); - if (ACPI_FAILURE(status)) { - printk(KERN_WARNING DRV_PFX "unable to install notify handler (%u)\n", status); - result = -ENODEV; - goto outinput; - } - - if (acpi_video_backlight_support()) { - printk(KERN_INFO DRV_PFX "brightness ignored, must be " - "controlled by ACPI video driver\n"); - } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", - &handle))) { - sony_backlight_device = backlight_device_register("sony", NULL, - NULL, - &sony_backlight_ops); - - if (IS_ERR(sony_backlight_device)) { - printk(KERN_WARNING DRV_PFX "unable to register backlight device\n"); - sony_backlight_device = NULL; - } else { - sony_backlight_device->props.brightness = - sony_backlight_get_brightness - (sony_backlight_device); - sony_backlight_device->props.max_brightness = - SONY_MAX_BRIGHTNESS - 1; - } - - } - - /* initialize models with specific requirements */ - dmi_check_system(sony_nc_ids); - - result = sony_pf_add(); - if (result) - goto outbacklight; - - /* 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))) { - dprintk("Found %s getter: %s\n", - item->name, *item->acpiget); - 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))) { - dprintk("Found %s setter: %s\n", - item->name, *item->acpiset); - 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; - } - } - - return 0; - - out_sysfs: - for (item = sony_nc_values; item->name; ++item) { - device_remove_file(&sony_pf_device->dev, &item->devattr); - } - sony_pf_remove(); - - outbacklight: - if (sony_backlight_device) - backlight_device_unregister(sony_backlight_device); - - status = acpi_remove_notify_handler(sony_nc_acpi_handle, - ACPI_DEVICE_NOTIFY, - sony_acpi_notify); - if (ACPI_FAILURE(status)) - printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n"); - - outinput: - sony_laptop_remove_input(); - - outwalk: - return result; -} - -static int sony_nc_remove(struct acpi_device *device, int type) -{ - acpi_status status; - struct sony_nc_value *item; - - if (sony_backlight_device) - backlight_device_unregister(sony_backlight_device); - - sony_nc_acpi_device = NULL; - - status = acpi_remove_notify_handler(sony_nc_acpi_handle, - ACPI_DEVICE_NOTIFY, - sony_acpi_notify); - if (ACPI_FAILURE(status)) - printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n"); - - for (item = sony_nc_values; item->name; ++item) { - device_remove_file(&sony_pf_device->dev, &item->devattr); - } - - sony_pf_remove(); - sony_laptop_remove_input(); - dprintk(SONY_NC_DRIVER_NAME " removed.\n"); - - return 0; -} - -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}, -}; - -static struct acpi_driver sony_nc_driver = { - .name = SONY_NC_DRIVER_NAME, - .class = SONY_NC_CLASS, - .ids = sony_nc_device_ids, - .owner = THIS_MODULE, - .ops = { - .add = sony_nc_add, - .remove = sony_nc_remove, - .resume = sony_nc_resume, - }, -}; - -/*********** SPIC (SNY6001) Device ***********/ - -#define SONYPI_DEVICE_TYPE1 0x00000001 -#define SONYPI_DEVICE_TYPE2 0x00000002 -#define SONYPI_DEVICE_TYPE3 0x00000004 -#define SONYPI_DEVICE_TYPE4 0x00000008 - -#define SONYPI_TYPE1_OFFSET 0x04 -#define SONYPI_TYPE2_OFFSET 0x12 -#define SONYPI_TYPE3_OFFSET 0x12 -#define SONYPI_TYPE4_OFFSET 0x12 - -struct sony_pic_ioport { - struct acpi_resource_io io1; - struct acpi_resource_io io2; - struct list_head list; -}; - -struct sony_pic_irq { - struct acpi_resource_irq irq; - struct list_head list; -}; - -struct sonypi_eventtypes { - u8 data; - unsigned long mask; - struct sonypi_event *events; -}; - -struct device_ctrl { - int model; - int (*handle_irq)(const u8, const u8); - u16 evport_offset; - u8 has_camera; - u8 has_bluetooth; - u8 has_wwan; - struct sonypi_eventtypes *event_types; -}; - -struct sony_pic_dev { - struct device_ctrl *control; - 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; - u8 camera_power; - u8 bluetooth_power; - u8 wwan_power; -}; - -static struct sony_pic_dev spic_dev = { - .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), - .ioports = LIST_HEAD_INIT(spic_dev.ioports), -}; - -/* 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 }, - { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, - { 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 }, - { 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[] = { - { 0x59, SONYPI_EVENT_WIRELESS_ON }, - { 0x5a, SONYPI_EVENT_WIRELESS_OFF }, - { 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 }, - { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, - { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, - { 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 } -}; - -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 }, - { 0 }, -}; -static struct sonypi_eventtypes type4_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 }, - { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, - { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, - { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, - { 0 }, -}; - -/* low level spic calls */ -#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", \ - __FILE__, __func__, __LINE__); \ -} - -static u8 sony_pic_call1(u8 dev) -{ - u8 v1, v2; - - wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, - ITERATIONS_LONG); - 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); - dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); - return v2; -} - -static u8 sony_pic_call2(u8 dev, u8 fn) -{ - u8 v1; - - 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); - v1 = inb_p(spic_dev.cur_ioport->io1.minimum); - dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); - return v1; -} - -static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) -{ - u8 v1; - - 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); - dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", - dev, fn, v, v1); - return v1; -} - -/* - * minidrivers for SPIC models - */ -static int type4_handle_irq(const u8 data_mask, const u8 ev) -{ - /* - * 0x31 could mean we have to take some extra action and wait for - * the next irq for some Type4 models, it will generate a new - * 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 struct device_ctrl spic_types[] = { - { - .model = SONYPI_DEVICE_TYPE1, - .handle_irq = NULL, - .evport_offset = SONYPI_TYPE1_OFFSET, - .event_types = type1_events, - }, - { - .model = SONYPI_DEVICE_TYPE2, - .handle_irq = NULL, - .evport_offset = SONYPI_TYPE2_OFFSET, - .event_types = type2_events, - }, - { - .model = SONYPI_DEVICE_TYPE3, - .handle_irq = NULL, - .evport_offset = SONYPI_TYPE3_OFFSET, - .event_types = type3_events, - }, - { - .model = SONYPI_DEVICE_TYPE4, - .handle_irq = type4_handle_irq, - .evport_offset = SONYPI_TYPE4_OFFSET, - .event_types = type4_events, - }, -}; - -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) { - dev->control = &spic_types[0]; - goto out; - } - - pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, - PCI_DEVICE_ID_INTEL_ICH6_1, NULL); - if (pcidev) { - dev->control = &spic_types[2]; - goto out; - } - - pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, - PCI_DEVICE_ID_INTEL_ICH7_1, NULL); - if (pcidev) { - dev->control = &spic_types[3]; - goto out; - } - - pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, - PCI_DEVICE_ID_INTEL_ICH8_4, NULL); - if (pcidev) { - dev->control = &spic_types[3]; - goto out; - } - - /* default */ - dev->control = &spic_types[1]; - -out: - if (pcidev) - pci_dev_put(pcidev); - - printk(KERN_INFO DRV_PFX "detected Type%d model\n", - dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 : - dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : - dev->control->model == SONYPI_DEVICE_TYPE3 ? 3 : 4); -} - -/* camera tests and poweron/poweroff */ -#define SONYPI_CAMERA_PICTURE 5 -#define SONYPI_CAMERA_CONTROL 0x10 - -#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 - -static int __sony_pic_camera_ready(void) -{ - u8 v; - - v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); - return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); -} - -static int __sony_pic_camera_off(void) -{ - if (!camera) { - printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); - return -ENODEV; - } - - wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, - SONYPI_CAMERA_MUTE_MASK), - ITERATIONS_SHORT); - - if (spic_dev.camera_power) { - sony_pic_call2(0x91, 0); - spic_dev.camera_power = 0; - } - return 0; -} - -static int __sony_pic_camera_on(void) -{ - int i, j, x; - - if (!camera) { - printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); - return -ENODEV; - } - - if (spic_dev.camera_power) - return 0; - - for (j = 5; j > 0; j--) { - - for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) - msleep(10); - sony_pic_call1(0x93); - - for (i = 400; i > 0; i--) { - if (__sony_pic_camera_ready()) - break; - msleep(10); - } - if (i) - break; - } - - if (j == 0) { - printk(KERN_WARNING DRV_PFX "failed to power on camera\n"); - return -ENODEV; - } - - wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, - 0x5a), - ITERATIONS_SHORT); - - spic_dev.camera_power = 1; - return 0; -} - -/* 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) { - case SONY_PIC_COMMAND_SETCAMERA: - if (value) - __sony_pic_camera_on(); - else - __sony_pic_camera_off(); - break; - case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: - wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), - ITERATIONS_SHORT); - break; - case SONY_PIC_COMMAND_SETCAMERACONTRAST: - wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), - ITERATIONS_SHORT); - break; - case SONY_PIC_COMMAND_SETCAMERAHUE: - wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), - ITERATIONS_SHORT); - break; - case SONY_PIC_COMMAND_SETCAMERACOLOR: - wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), - ITERATIONS_SHORT); - break; - case SONY_PIC_COMMAND_SETCAMERASHARPNESS: - wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), - ITERATIONS_SHORT); - break; - case SONY_PIC_COMMAND_SETCAMERAPICTURE: - wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), - ITERATIONS_SHORT); - break; - case SONY_PIC_COMMAND_SETCAMERAAGC: - wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), - ITERATIONS_SHORT); - break; - default: - printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n", - command); - break; - } - mutex_unlock(&spic_dev.lock); - return 0; -} -EXPORT_SYMBOL(sony_pic_camera_command); - -/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ -static void sony_pic_set_wwanpower(u8 state) -{ - state = !!state; - mutex_lock(&spic_dev.lock); - if (spic_dev.wwan_power == state) { - mutex_unlock(&spic_dev.lock); - return; - } - sony_pic_call2(0xB0, state); - spic_dev.wwan_power = state; - mutex_unlock(&spic_dev.lock); -} - -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; - - value = simple_strtoul(buffer, NULL, 10); - sony_pic_set_wwanpower(value); - - 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; -} - -/* bluetooth subsystem power state */ -static void __sony_pic_set_bluetoothpower(u8 state) -{ - 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; - - value = simple_strtoul(buffer, NULL, 10); - mutex_lock(&spic_dev.lock); - __sony_pic_set_bluetoothpower(value); - mutex_unlock(&spic_dev.lock); - - return count; -} - -static ssize_t sony_pic_bluetoothpower_show(struct device *dev, - struct device_attribute *attr, char *buffer) -{ - 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; -} - -/* fan speed */ -/* FAN0 information (reverse engineered from ACPI tables) */ -#define SONY_PIC_FAN0_STATUS 0x93 -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); -} - -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; - - value = simple_strtoul(buffer, NULL, 10); - if (sony_pic_set_fanspeed(value)) - return -EIO; - - return count; -} - -static ssize_t sony_pic_fanspeed_show(struct device *dev, - struct device_attribute *attr, char *buffer) -{ - u8 value = 0; - if (sony_pic_get_fanspeed(&value)) - 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); -static SPIC_ATTR(wwanpower, 0644); -static SPIC_ATTR(fanspeed, 0644); - -static struct attribute *spic_attributes[] = { - &spic_attr_bluetoothpower.attr, - &spic_attr_wwanpower.attr, - &spic_attr_fanspeed.attr, - NULL -}; - -static struct attribute_group spic_attribute_group = { - .attrs = spic_attributes -}; - -/******** SONYPI compatibility **********/ -#ifdef CONFIG_SONYPI_COMPAT - -/* 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; - struct kfifo *fifo; - 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) -{ - int retval; - - retval = fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); - if (retval < 0) - return retval; - return 0; -} - -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 */ - lock_kernel(); - if (atomic_inc_return(&sonypi_compat.open_count) == 1) - kfifo_reset(sonypi_compat.fifo); - unlock_kernel(); - 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; - - if ((kfifo_len(sonypi_compat.fifo) == 0) && - (file->f_flags & O_NONBLOCK)) - return -EAGAIN; - - ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, - kfifo_len(sonypi_compat.fifo) != 0); - if (ret) - return ret; - - while (ret < count && - (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) { - 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); - if (kfifo_len(sonypi_compat.fifo)) - 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; -} - -static int sonypi_misc_ioctl(struct inode *ip, struct file *fp, - unsigned int cmd, unsigned long arg) -{ - int ret = 0; - void __user *argp = (void __user *)arg; - u8 val8; - u16 val16; - int value; - - mutex_lock(&spic_dev.lock); - switch (cmd) { - case SONYPI_IOCGBRT: - if (sony_backlight_device == NULL) { - ret = -EIO; - break; - } - if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) { - ret = -EIO; - break; - } - val8 = ((value & 0xff) - 1) << 5; - if (copy_to_user(argp, &val8, sizeof(val8))) - ret = -EFAULT; - break; - case SONYPI_IOCSBRT: - if (sony_backlight_device == NULL) { - ret = -EIO; - break; - } - if (copy_from_user(&val8, argp, sizeof(val8))) { - ret = -EFAULT; - break; - } - if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT", - (val8 >> 5) + 1, NULL)) { - ret = -EIO; - break; - } - /* sync the backlight device status */ - sony_backlight_device->props.brightness = - sony_backlight_get_brightness(sony_backlight_device); - 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; - } - __sony_pic_set_bluetoothpower(val8); - 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; - } - mutex_unlock(&spic_dev.lock); - 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, - .ioctl = sonypi_misc_ioctl, -}; - -static struct miscdevice sonypi_misc_device = { - .minor = MISC_DYNAMIC_MINOR, - .name = "sonypi", - .fops = &sonypi_misc_fops, -}; - -static void sonypi_compat_report_event(u8 event) -{ - kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event)); - 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); - sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL, - &sonypi_compat.fifo_lock); - if (IS_ERR(sonypi_compat.fifo)) { - printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n"); - return PTR_ERR(sonypi_compat.fifo); - } - - init_waitqueue_head(&sonypi_compat.fifo_proc_list); - - if (minor != -1) - sonypi_misc_device.minor = minor; - error = misc_register(&sonypi_misc_device); - if (error) { - printk(KERN_ERR DRV_PFX "misc_register failed\n"); - goto err_free_kfifo; - } - if (minor == -1) - printk(KERN_INFO DRV_PFX "device allocated minor is %d\n", - sonypi_misc_device.minor); - - return 0; - -err_free_kfifo: - kfifo_free(sonypi_compat.fifo); - return error; -} - -static void sonypi_compat_exit(void) -{ - misc_deregister(&sonypi_misc_device); - kfifo_free(sonypi_compat.fifo); -} -#else -static int sonypi_compat_init(void) { return 0; } -static void sonypi_compat_exit(void) { } -static void sonypi_compat_report_event(u8 event) { } -#endif /* CONFIG_SONYPI_COMPAT */ - -/* - * ACPI callbacks - */ -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: - { - /* 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; - } - - case ACPI_RESOURCE_TYPE_END_DEPENDENT: - /* end IO enumeration */ - 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]) { - printk(KERN_WARNING DRV_PFX - "Invalid IRQ %d\n", - p->interrupts[i]); - continue; - } - interrupt = kzalloc(sizeof(*interrupt), - GFP_KERNEL); - if (!interrupt) - return AE_ERROR; - - list_add(&interrupt->list, &dev->interrupts); - 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; - struct sony_pic_ioport *ioport = - list_first_entry(&dev->ioports, struct sony_pic_ioport, list); - if (!io) { - dprintk("Blank IO resource\n"); - return AE_OK; - } - - 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 { - printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n"); - return AE_ERROR; - } - return AE_OK; - } - default: - dprintk("Resource %d isn't an IRQ nor an IO port\n", - resource->type); - - 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) { - printk(KERN_WARNING DRV_PFX "Unable to read status\n"); - 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)) { - printk(KERN_WARNING DRV_PFX - "Failure evaluating %s\n", - METHOD_NAME__PRS); - result = -ENODEV; - } -end: - return result; -} - -/* - * Disable the spic device by calling its _DIS method - */ -static int sony_pic_disable(struct acpi_device *device) -{ - acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, - NULL); - - if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) - 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; - /* Type 1 resource layout is: - * IO - * IO - * IRQNoFlags - * End - * - * Type 2 and 3 resource layout is: - * IO - * IRQNoFlags - * End - */ - struct { - struct acpi_resource res1; - struct acpi_resource res2; - struct acpi_resource res3; - struct acpi_resource res4; - } *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; - - /* setup Type 1 resources */ - if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) { - - /* 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)); - - 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; - } - - /* 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)) { - printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n"); - 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; - - ev = inb_p(dev->cur_ioport->io1.minimum); - if (dev->cur_ioport->io2.minimum) - data_mask = inb_p(dev->cur_ioport->io2.minimum); - else - data_mask = inb_p(dev->cur_ioport->io1.minimum + - dev->control->evport_offset); - - dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", - ev, data_mask, dev->cur_ioport->io1.minimum, - dev->control->evport_offset); - - if (ev == 0x00 || ev == 0xff) - return IRQ_HANDLED; - - for (i = 0; dev->control->event_types[i].mask; i++) { - - if ((data_mask & dev->control->event_types[i].data) != - dev->control->event_types[i].data) - continue; - - if (!(mask & dev->control->event_types[i].mask)) - continue; - - for (j = 0; dev->control->event_types[i].events[j].event; j++) { - if (ev == dev->control->event_types[i].events[j].data) { - device_event = - dev->control-> - event_types[i].events[j].event; - goto found; - } - } - } - /* Still not able to decode the event try to pass - * it over to the minidriver - */ - if (dev->control->handle_irq && - dev->control->handle_irq(data_mask, ev) == 0) - return IRQ_HANDLED; - - dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", - ev, data_mask, dev->cur_ioport->io1.minimum, - dev->control->evport_offset); - return IRQ_HANDLED; - -found: - sony_laptop_report_input_event(device_event); - acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event); - sonypi_compat_report_event(device_event); - - 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)) { - printk(KERN_ERR DRV_PFX "Couldn't disable device.\n"); - return -ENXIO; - } - - free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); - 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); - - sonypi_compat_exit(); - - sony_laptop_remove_input(); - - /* pf attrs */ - sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); - sony_pf_remove(); - - 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; - - dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); - 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; - - printk(KERN_INFO DRV_PFX "%s v%s.\n", - SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); - - spic_dev.acpi_dev = device; - strcpy(acpi_device_class(device), "sony/hotkey"); - sony_pic_detect_device_type(&spic_dev); - mutex_init(&spic_dev.lock); - - /* read _PRS resources */ - result = sony_pic_possible_resources(device); - if (result) { - printk(KERN_ERR DRV_PFX - "Unabe to read possible resources.\n"); - goto err_free_resources; - } - - /* setup input devices and helper fifo */ - result = sony_laptop_setup_input(device); - if (result) { - printk(KERN_ERR DRV_PFX - "Unabe to create input devices.\n"); - goto err_free_resources; - } - - if (sonypi_compat_init()) - goto err_remove_input; - - /* request io port */ - list_for_each_entry_reverse(io, &spic_dev.ioports, list) { - if (request_region(io->io1.minimum, io->io1.address_length, - "Sony Programable I/O Device")) { - 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, - "Sony Programable I/O Device")) { - 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; - } - } - } - if (!spic_dev.cur_ioport) { - printk(KERN_ERR DRV_PFX "Failed to request_region.\n"); - result = -ENODEV; - goto err_remove_compat; - } - - /* request IRQ */ - list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { - if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, - IRQF_SHARED, "sony-laptop", &spic_dev)) { - 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) { - printk(KERN_ERR DRV_PFX "Failed to request_irq.\n"); - 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) { - printk(KERN_ERR DRV_PFX "Couldn't enable device.\n"); - goto err_free_irq; - } - - 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; - - return 0; - -err_remove_pf: - sony_pf_remove(); - -err_disable_device: - sony_pic_disable(device); - -err_free_irq: - free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); - -err_release_region: - 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); - -err_remove_compat: - sonypi_compat_exit(); - -err_remove_input: - sony_laptop_remove_input(); - -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; -} - -static const struct acpi_device_id sony_pic_device_ids[] = { - {SONY_PIC_HID, 0}, - {"", 0}, -}; - -static struct acpi_driver sony_pic_driver = { - .name = SONY_PIC_DRIVER_NAME, - .class = SONY_PIC_CLASS, - .ids = sony_pic_device_ids, - .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-"), - }, - }, - { } -}; - -static int __init sony_laptop_init(void) -{ - int result; - - if (!no_spic && dmi_check_system(sonypi_dmi_table)) { - result = acpi_bus_register_driver(&sony_pic_driver); - if (result) { - printk(KERN_ERR DRV_PFX - "Unable to register SPIC driver."); - goto out; - } - } - - result = acpi_bus_register_driver(&sony_nc_driver); - if (result) { - printk(KERN_ERR DRV_PFX "Unable to register SNC driver."); - goto out_unregister_pic; - } - - return 0; - -out_unregister_pic: - if (!no_spic) - acpi_bus_unregister_driver(&sony_pic_driver); -out: - return result; -} - -static void __exit sony_laptop_exit(void) -{ - acpi_bus_unregister_driver(&sony_nc_driver); - if (!no_spic) - acpi_bus_unregister_driver(&sony_pic_driver); -} - -module_init(sony_laptop_init); -module_exit(sony_laptop_exit); |