| /* |
| * ACPI Sony Notebook Control Driver (SNC and SPIC) |
| * |
| * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net> |
| * Copyright (C) 2007-2009 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 AlcĂ´ve <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. |
| * |
| */ |
| |
| #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/moduleparam.h> |
| #include <linux/init.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 <linux/slab.h> |
| #include <acpi/acpi_drivers.h> |
| #include <acpi/acpi_bus.h> |
| #include <asm/uaccess.h> |
| #include <linux/sonypi.h> |
| #include <linux/sony-laptop.h> |
| #include <linux/rfkill.h> |
| #ifdef CONFIG_SONYPI_COMPAT |
| #include <linux/poll.h> |
| #include <linux/miscdevice.h> |
| #endif |
| |
| #define dprintk(fmt, ...) \ |
| do { \ |
| if (debug) \ |
| pr_warn(fmt, ##__VA_ARGS__); \ |
| } 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 |
| |
| static int kbd_backlight = 1; |
| 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)"); |
| |
| static void sony_nc_kbd_backlight_resume(void); |
| static int sony_nc_kbd_backlight_setup(struct platform_device *pd, |
| unsigned int handle); |
| static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd); |
| |
| static int sony_nc_battery_care_setup(struct platform_device *pd, |
| unsigned int handle); |
| static void sony_nc_battery_care_cleanup(struct platform_device *pd); |
| |
| static int sony_nc_thermal_setup(struct platform_device *pd); |
| static void sony_nc_thermal_cleanup(struct platform_device *pd); |
| static void sony_nc_thermal_resume(void); |
| |
| static int sony_nc_lid_resume_setup(struct platform_device *pd); |
| static void sony_nc_lid_resume_cleanup(struct platform_device *pd); |
| |
| static int sony_nc_highspeed_charging_setup(struct platform_device *pd); |
| static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd); |
| |
| static int sony_nc_touchpad_setup(struct platform_device *pd, |
| unsigned int handle); |
| static void sony_nc_touchpad_cleanup(struct platform_device *pd); |
| |
| enum sony_nc_rfkill { |
| SONY_WIFI, |
| SONY_BLUETOOTH, |
| SONY_WWAN, |
| SONY_WIMAX, |
| N_SONY_RFKILL, |
| }; |
| |
| static int sony_rfkill_handle; |
| static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL]; |
| static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900}; |
| static int sony_nc_rfkill_setup(struct acpi_device *device, |
| unsigned int handle); |
| static void sony_nc_rfkill_cleanup(void); |
| static void sony_nc_rfkill_update(void); |
| |
| /*********** 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 timer_list release_key_timer; |
| }; |
| |
| 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 */ |
| 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */ |
| 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */ |
| 53, /* 66 SONYPI_EVENT_PKEY_P4 */ |
| 54, /* 67 SONYPI_EVENT_PKEY_P5 */ |
| 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */ |
| 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */ |
| 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */ |
| -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */ |
| 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */ |
| 59, /* 72 SONYPI_EVENT_VENDOR_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 */ |
| 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 */ |
| KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */ |
| KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */ |
| KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */ |
| KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */ |
| }; |
| |
| /* release buttons after a short delay if pressed */ |
| static void do_sony_laptop_release_key(unsigned long unused) |
| { |
| struct sony_laptop_keypress kp; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags); |
| |
| if (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); |
| } |
| |
| /* If there is something in the fifo schedule next release. */ |
| if (kfifo_len(&sony_laptop_input.fifo) != 0) |
| mod_timer(&sony_laptop_input.release_key_timer, |
| jiffies + msecs_to_jiffies(10)); |
| |
| spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags); |
| } |
| |
| /* 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 }; |
| int scancode = -1; |
| |
| if (event == SONYPI_EVENT_FNKEY_RELEASED || |
| event == SONYPI_EVENT_ANYBUTTON_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 ((scancode = sony_laptop_input_index[event]) != -1) { |
| kp.key = sony_laptop_input_keycode_map[scancode]; |
| if (kp.key != KEY_UNKNOWN) |
| kp.dev = key_dev; |
| } |
| break; |
| } |
| |
| if (kp.dev) { |
| /* 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); |
| input_report_key(kp.dev, kp.key, 1); |
| input_sync(kp.dev); |
| |
| /* schedule key release */ |
| kfifo_in_locked(&sony_laptop_input.fifo, |
| (unsigned char *)&kp, sizeof(kp), |
| &sony_laptop_input.fifo_lock); |
| mod_timer(&sony_laptop_input.release_key_timer, |
| jiffies + msecs_to_jiffies(10)); |
| } 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); |
| error = kfifo_alloc(&sony_laptop_input.fifo, |
| SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); |
| if (error) { |
| pr_err("kfifo_alloc failed\n"); |
| goto err_dec_users; |
| } |
| |
| setup_timer(&sony_laptop_input.release_key_timer, |
| do_sony_laptop_release_key, 0); |
| |
| /* input keys */ |
| key_dev = input_allocate_device(); |
| if (!key_dev) { |
| error = -ENOMEM; |
| goto err_free_kfifo; |
| } |
| |
| 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 */ |
| input_set_capability(key_dev, EV_MSC, MSC_SCAN); |
| |
| __set_bit(EV_KEY, key_dev->evbit); |
| 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++) |
| __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit); |
| __clear_bit(KEY_RESERVED, 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; |
| jog_dev->dev.parent = &acpi_device->dev; |
| |
| input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE); |
| input_set_capability(jog_dev, EV_REL, 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_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) |
| { |
| struct sony_laptop_keypress kp = { NULL }; |
| |
| /* Cleanup only after the last user has gone */ |
| if (!atomic_dec_and_test(&sony_laptop_input.users)) |
| return; |
| |
| del_timer_sync(&sony_laptop_input.release_key_timer); |
| |
| /* |
| * 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); |
| } |
| |
| /* 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; |
| } |
| |
| 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_unregister(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 attribute */ |
| }; |
| |
| #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 |
| * all useful calls into SNC methods take one or zero parameters and return |
| * integers or arrays. |
| */ |
| static union acpi_object *__call_snc_method(acpi_handle handle, char *method, |
| u64 *value) |
| { |
| union acpi_object *result = NULL; |
| struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; |
| acpi_status status; |
| |
| 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 = ∈ |
| status = acpi_evaluate_object(handle, method, ¶ms, &output); |
| dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method, |
| (unsigned int)(*value >> 32), |
| (unsigned int)*value & 0xffffffff); |
| } else { |
| status = acpi_evaluate_object(handle, method, NULL, &output); |
| dprintk("__call_snc_method: [%s]\n", method); |
| } |
| |
| if (ACPI_FAILURE(status)) { |
| pr_err("Failed to evaluate [%s]\n", method); |
| return NULL; |
| } |
| |
| result = (union acpi_object *) output.pointer; |
| if (!result) |
| dprintk("No return object [%s]\n", method); |
| |
| return result; |
| } |
| |
| static int sony_nc_int_call(acpi_handle handle, char *name, int *value, |
| int *result) |
| { |
| 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); |
| |
| if (!object) |
| return -EINVAL; |
| |
| 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; |
| } |
| |
| if (result) |
| *result = object->integer.value; |
| |
| 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; |
| } |
| |
| struct sony_nc_handles { |
| u16 cap[0x10]; |
| struct device_attribute devattr; |
| }; |
| |
| static struct sony_nc_handles *handles; |
| |
| 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) |
| { |
| int i, r, result, arg; |
| |
| handles = kzalloc(sizeof(*handles), GFP_KERNEL); |
| if (!handles) |
| return -ENOMEM; |
| |
| for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { |
| arg = i + 0x20; |
| r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, |
| &result); |
| if (!r) { |
| dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n", |
| result, i); |
| handles->cap[i] = result; |
| } |
| } |
| |
| 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; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int sony_nc_handles_cleanup(struct platform_device *pd) |
| { |
| if (handles) { |
| if (debug) |
| device_remove_file(&pd->dev, &handles->devattr); |
| kfree(handles); |
| handles = NULL; |
| } |
| return 0; |
| } |
| |
| static int sony_find_snc_handle(int handle) |
| { |
| int i; |
| |
| /* not initialized yet, return early */ |
| if (!handles || !handle) |
| return -EINVAL; |
| |
| for (i = 0; i < 0x10; i++) { |
| if (handles->cap[i] == handle) { |
| dprintk("found handle 0x%.4x (offset: 0x%.2x)\n", |
| handle, i); |
| return i; |
| } |
| } |
| dprintk("handle 0x%.4x not found\n", handle); |
| return -EINVAL; |
| } |
| |
| static int sony_call_snc_handle(int handle, int argument, int *result) |
| { |
| int arg, ret = 0; |
| int offset = sony_find_snc_handle(handle); |
| |
| if (offset < 0) |
| return offset; |
| |
| 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); |
| return ret; |
| } |
| |
| /* |
| * 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, ret = 0; |
| struct sony_nc_value *item = |
| container_of(attr, struct sony_nc_value, devattr); |
| |
| if (!*item->acpiget) |
| return -EIO; |
| |
| ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL, |
| &value); |
| if (ret < 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; |
| int ret = 0; |
| struct sony_nc_value *item = |
| container_of(attr, struct sony_nc_value, devattr); |
| |
| if (!item->acpiset) |
| return -EIO; |
| |
| if (count > 31) |
| return -EINVAL; |
| |
| if (kstrtoint(buffer, 10, &value)) |
| return -EINVAL; |
| |
| if (item->validate) |
| value = item->validate(SNC_VALIDATE_IN, value); |
| |
| if (value < 0) |
| return value; |
| |
| ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, |
| &value, NULL); |
| if (ret < 0) |
| return -EIO; |
| |
| item->value = value; |
| item->valid = 1; |
| return count; |
| } |
| |
| |
| /* |
| * Backlight device |
| */ |
| struct sony_backlight_props { |
| struct backlight_device *dev; |
| int handle; |
| int cmd_base; |
| u8 offset; |
| u8 maxlvl; |
| }; |
| struct sony_backlight_props sony_bl_props; |
| |
| static int sony_backlight_update_status(struct backlight_device *bd) |
| { |
| int arg = bd->props.brightness + 1; |
| return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL); |
| } |
| |
| static int sony_backlight_get_brightness(struct backlight_device *bd) |
| { |
| int value; |
| |
| if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value)) |
| return 0; |
| /* brightness levels are 1-based, while backlight ones are 0-based */ |
| return value - 1; |
| } |
| |
| static int sony_nc_get_brightness_ng(struct backlight_device *bd) |
| { |
| int result; |
| struct sony_backlight_props *sdev = |
| (struct sony_backlight_props *)bl_get_data(bd); |
| |
| sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result); |
| |
| return (result & 0xff) - sdev->offset; |
| } |
| |
| static int sony_nc_update_status_ng(struct backlight_device *bd) |
| { |
| int value, result; |
| struct sony_backlight_props *sdev = |
| (struct sony_backlight_props *)bl_get_data(bd); |
| |
| value = bd->props.brightness + sdev->offset; |
| if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10), |
| &result)) |
| return -EIO; |
| |
| return value; |
| } |
| |
| static const struct backlight_ops sony_backlight_ops = { |
| .options = BL_CORE_SUSPENDRESUME, |
| .update_status = sony_backlight_update_status, |
| .get_brightness = sony_backlight_get_brightness, |
| }; |
| 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, |
| }; |
| |
| /* |
| * New SNC-only Vaios event mapping to driver known keys |
| */ |
| struct sony_nc_event { |
| u8 data; |
| u8 event; |
| }; |
| |
| static struct sony_nc_event sony_100_events[] = { |
| { 0x90, SONYPI_EVENT_PKEY_P1 }, |
| { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
| { 0x91, SONYPI_EVENT_PKEY_P2 }, |
| { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
| { 0x81, SONYPI_EVENT_FNKEY_F1 }, |
| { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, |
| { 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 }, |
| { 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 }, |
| { 0x88, SONYPI_EVENT_FNKEY_F8 }, |
| { 0x08, SONYPI_EVENT_FNKEY_RELEASED }, |
| { 0x89, SONYPI_EVENT_FNKEY_F9 }, |
| { 0x09, SONYPI_EVENT_FNKEY_RELEASED }, |
| { 0x8A, SONYPI_EVENT_FNKEY_F10 }, |
| { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, |
| { 0x8B, SONYPI_EVENT_FNKEY_F11 }, |
| { 0x0B, SONYPI_EVENT_FNKEY_RELEASED }, |
| { 0x8C, SONYPI_EVENT_FNKEY_F12 }, |
| { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, |
| { 0x9d, SONYPI_EVENT_ZOOM_PRESSED }, |
| { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
| { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED }, |
| { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
| { 0xa1, SONYPI_EVENT_MEDIA_PRESSED }, |
| { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED }, |
| { 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 }, |
| { 0, 0 }, |
| }; |
| |
| 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 }, |
| }; |
| |
| 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; |
| } |
| |
| /* |
| * ACPI callbacks |
| */ |
| enum event_types { |
| HOTKEY = 1, |
| KILLSWITCH, |
| GFX_SWITCH |
| }; |
| static void sony_nc_notify(struct acpi_device *device, u32 event) |
| { |
| 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); |
| return; |
| } |
| handle = handles->cap[offset]; |
| |
| /* list of handles known for generating events */ |
| switch (handle) { |
| /* hotkey event */ |
| case 0x0100: |
| case 0x0127: |
| ev_type = HOTKEY; |
| 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 = KILLSWITCH; |
| sony_call_snc_handle(handle, 0x0100, &result); |
| real_ev = result & 0x03; |
| |
| /* hw switch event */ |
| if (real_ev == 1) |
| sony_nc_rfkill_update(); |
| |
| break; |
| |
| case 0x0128: |
| case 0x0146: |
| /* Hybrid GFX switching */ |
| sony_call_snc_handle(handle, 0x0000, &result); |
| dprintk("GFX switch event received (reason: %s)\n", |
| (result & 0x01) ? |
| "switch change" : "unknown"); |
| |
| /* verify the switch state |
| * 1: discrete GFX |
| * 0: integrated GFX |
| */ |
| sony_call_snc_handle(handle, 0x0100, &result); |
| |
| ev_type = GFX_SWITCH; |
| real_ev = result & 0xff; |
| break; |
| |
| 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 = HOTKEY; |
| 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); |
| } |
| |
| static acpi_status sony_walk_callback(acpi_handle handle, u32 level, |
| void *context, void **return_value) |
| { |
| struct acpi_device_info *info; |
| |
| if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) { |
| pr_warn("method: name: %4.4s, args %X\n", |
| (char *)&info->name, info->param_count); |
| |
| kfree(info); |
| } |
| |
| return AE_OK; |
| } |
| |
| /* |
| * ACPI device |
| */ |
| static void sony_nc_function_setup(struct acpi_device *device, |
| struct platform_device *pf_device) |
| { |
| 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 0x0105: |
| case 0x0148: |
| /* touchpad enable/disable */ |
| result = sony_nc_touchpad_setup(pf_device, handle); |
| if (result) |
| pr_err("couldn't set up touchpad control function (%d)\n", |
| result); |
| break; |
| case 0x0115: |
| case 0x0136: |
| case 0x013f: |
| result = sony_nc_battery_care_setup(pf_device, handle); |
| if (result) |
| pr_err("couldn't set up battery care function (%d)\n", |
| result); |
| break; |
| case 0x0119: |
| result = sony_nc_lid_resume_setup(pf_device); |
| if (result) |
| pr_err("couldn't set up lid resume function (%d)\n", |
| result); |
| break; |
| case 0x0122: |
| result = sony_nc_thermal_setup(pf_device); |
| if (result) |
| pr_err("couldn't set up thermal profile function (%d)\n", |
| result); |
| break; |
| case 0x0131: |
| result = sony_nc_highspeed_charging_setup(pf_device); |
| if (result) |
| pr_err("couldn't set up high speed charging function (%d)\n", |
| result); |
| break; |
| case 0x0124: |
| case 0x0135: |
| result = sony_nc_rfkill_setup(device, handle); |
| if (result) |
| pr_err("couldn't set up rfkill support (%d)\n", |
| result); |
| break; |
| case 0x0137: |
| case 0x0143: |
| result = sony_nc_kbd_backlight_setup(pf_device, handle); |
| if (result) |
| pr_err("couldn't set up keyboard backlight function (%d)\n", |
| result); |
| 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); |
| } |
| |
| static void sony_nc_function_cleanup(struct platform_device *pd) |
| { |
| unsigned int i, result, bitmask, handle; |
| |
| /* 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 0x0105: |
| case 0x0148: |
| sony_nc_touchpad_cleanup(pd); |
| break; |
| case 0x0115: |
| case 0x0136: |
| case 0x013f: |
| sony_nc_battery_care_cleanup(pd); |
| break; |
| case 0x0119: |
| sony_nc_lid_resume_cleanup(pd); |
| break; |
| case 0x0122: |
| sony_nc_thermal_cleanup(pd); |
| break; |
| case 0x0131: |
| sony_nc_highspeed_charging_cleanup(pd); |
| break; |
| case 0x0124: |
| case 0x0135: |
| sony_nc_rfkill_cleanup(); |
| break; |
| case 0x0137: |
| case 0x0143: |
| 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 0x0122: |
| sony_nc_thermal_resume(); |
| break; |
| case 0x0124: |
| case 0x0135: |
| sony_nc_rfkill_update(); |
| break; |
| case 0x0137: |
| case 0x0143: |
| 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); |
| } |
| |
| static int sony_nc_resume(struct acpi_device *device) |
| { |
| struct sony_nc_value *item; |
| acpi_handle handle; |
| |
| for (item = sony_nc_values; item->name; item++) { |
| int ret; |
| |
| if (!item->valid) |
| continue; |
| ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, |
| &item->value, NULL); |
| if (ret < 0) { |
| pr_err("%s: %d\n", __func__, ret); |
| break; |
| } |
| } |
| |
| if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", |
| &handle))) { |
| int arg = 1; |
| if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) |
| dprintk("ECON Method failed\n"); |
| } |
| |
| if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", |
| &handle))) |
| sony_nc_function_resume(); |
| |
| return 0; |
| } |
| |
| static void sony_nc_rfkill_cleanup(void) |
| { |
| int i; |
| |
| for (i = 0; i < N_SONY_RFKILL; i++) { |
| if (sony_rfkill_devices[i]) { |
| rfkill_unregister(sony_rfkill_devices[i]); |
| rfkill_destroy(sony_rfkill_devices[i]); |
| } |
| } |
| } |
| |
| static int sony_nc_rfkill_set(void *data, bool blocked) |
| { |
| int result; |
| int argument = sony_rfkill_address[(long) data] + 0x100; |
| |
| if (!blocked) |
| argument |= 0x030000; |
| |
| return sony_call_snc_handle(sony_rfkill_handle, argument, &result); |
| } |
| |
| static const struct rfkill_ops sony_rfkill_ops = { |
| .set_block = sony_nc_rfkill_set, |
| }; |
| |
| static int sony_nc_setup_rfkill(struct acpi_device *device, |
| enum sony_nc_rfkill nc_type) |
| { |
| int err = 0; |
| struct rfkill *rfk; |
| enum rfkill_type type; |
| const char *name; |
| int result; |
| bool hwblock, swblock; |
| |
| 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; |
| } |
| |
| rfk = rfkill_alloc(name, &device->dev, type, |
| &sony_rfkill_ops, (void *)nc_type); |
| if (!rfk) |
| return -ENOMEM; |
| |
| if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) { |
| rfkill_destroy(rfk); |
| return -1; |
| } |
| hwblock = !(result & 0x1); |
| |
| 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); |
| rfkill_set_hw_state(rfk, hwblock); |
| |
| err = rfkill_register(rfk); |
| if (err) { |
| rfkill_destroy(rfk); |
| return err; |
| } |
| sony_rfkill_devices[nc_type] = rfk; |
| return err; |
| } |
| |
| static void sony_nc_rfkill_update(void) |
| { |
| enum sony_nc_rfkill i; |
| int result; |
| bool hwblock; |
| |
| sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); |
| hwblock = !(result & 0x1); |
| |
| for (i = 0; i < N_SONY_RFKILL; i++) { |
| int argument = sony_rfkill_address[i]; |
| |
| if (!sony_rfkill_devices[i]) |
| continue; |
| |
| if (hwblock) { |
| if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { |
| /* we already know we're blocked */ |
| } |
| continue; |
| } |
| |
| sony_call_snc_handle(sony_rfkill_handle, argument, &result); |
| rfkill_set_states(sony_rfkill_devices[i], |
| !(result & 0x2), false); |
| } |
| } |
| |
| static int sony_nc_rfkill_setup(struct acpi_device *device, |
| unsigned int handle) |
| { |
| u64 offset; |
| int i; |
| unsigned char buffer[32] = { 0 }; |
| |
| offset = sony_find_snc_handle(handle); |
| sony_rfkill_handle = handle; |
| |
| i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, |
| 32); |
| if (i < 0) |
| return i; |
| |
| /* The buffer is filled with magic numbers describing the devices |
| * available, 0xff terminates the enumeration. |
| * Known codes: |
| * 0x00 WLAN |
| * 0x10 BLUETOOTH |
| * 0x20 WWAN GPRS-EDGE |
| * 0x21 WWAN HSDPA |
| * 0x22 WWAN EV-DO |
| * 0x23 WWAN GPS |
| * 0x25 Gobi WWAN no GPS |
| * 0x26 Gobi WWAN + GPS |
| * 0x28 Gobi WWAN no GPS |
| * 0x29 Gobi WWAN + GPS |
| * 0x30 WIMAX |
| * 0x50 Gobi WWAN no GPS |
| * 0x51 Gobi WWAN + GPS |
| * 0x70 no SIM card slot |
| * 0x71 SIM card slot |
| */ |
| for (i = 0; i < ARRAY_SIZE(buffer); i++) { |
| |
| if (buffer[i] == 0xff) |
| break; |
| |
| dprintk("Radio devices, found 0x%.2x\n", buffer[i]); |
| |
| if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI]) |
| sony_nc_setup_rfkill(device, SONY_WIFI); |
| |
| if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) |
| sony_nc_setup_rfkill(device, SONY_BLUETOOTH); |
| |
| if (((0xf0 & buffer[i]) == 0x20 || |
| (0xf0 & buffer[i]) == 0x50) && |
| !sony_rfkill_devices[SONY_WWAN]) |
| sony_nc_setup_rfkill(device, SONY_WWAN); |
| |
| if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) |
| sony_nc_setup_rfkill(device, SONY_WIMAX); |
| } |
| return 0; |
| } |
| |
| /* Keyboard backlight feature */ |
| struct kbd_backlight { |
| unsigned int handle; |
| unsigned int base; |
| unsigned int mode; |
| unsigned int timeout; |
| struct device_attribute mode_attr; |
| struct device_attribute timeout_attr; |
| }; |
| |
| static struct kbd_backlight *kbdbl_ctl; |
| |
| static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value) |
| { |
| int result; |
| |
| if (value > 1) |
| return -EINVAL; |
| |
| if (sony_call_snc_handle(kbdbl_ctl->handle, |
| (value << 0x10) | (kbdbl_ctl->base), &result)) |
| return -EIO; |
| |
| /* Try to turn the light on/off immediately */ |
| sony_call_snc_handle(kbdbl_ctl->handle, |
| (value << 0x10) | (kbdbl_ctl->base + 0x100), &result); |
| |
| kbdbl_ctl->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; |
| |
| if (kstrtoul(buffer, 10, &value)) |
| 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_ctl->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_ctl->handle, (value << 0x10) | |
| (kbdbl_ctl->base + 0x200), &result)) |
| return -EIO; |
| |
| kbdbl_ctl->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; |
| |
| if (kstrtoul(buffer, 10, &value)) |
| 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_ctl->timeout); |
| return count; |
| } |
| |
| static int sony_nc_kbd_backlight_setup(struct platform_device *pd, |
| unsigned int handle) |
| { |
| int result; |
| int ret = 0; |
| |
| /* verify the kbd backlight presence, these handles are not used for |
| * keyboard backlight only |
| */ |
| ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100, |
| &result); |
| if (ret) |
| return ret; |
| |
| if ((handle == 0x0137 && !(result & 0x02)) || |
| !(result & 0x01)) { |
| dprintk("no backlight keyboard found\n"); |
| return 0; |
| } |
| |
| kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL); |
| if (!kbdbl_ctl) |
| return -ENOMEM; |
| |
| kbdbl_ctl->handle = handle; |
| if (handle == 0x0137) |
| kbdbl_ctl->base = 0x0C00; |
| else |
| kbdbl_ctl->base = 0x4000; |
| |
| sysfs_attr_init(&kbdbl_ctl->mode_attr.attr); |
| kbdbl_ctl->mode_attr.attr.name = "kbd_backlight"; |
| kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR; |
| kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show; |
| kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store; |
| |
| sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr); |
| kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout"; |
| kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR; |
| kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show; |
| kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store; |
| |
| ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr); |
| if (ret) |
| goto outkzalloc; |
| |
| ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr); |
| if (ret) |
| goto outmode; |
| |
| __sony_nc_kbd_backlight_mode_set(kbd_backlight); |
| __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout); |
| |
| return 0; |
| |
| outmode: |
| device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); |
| outkzalloc: |
| kfree(kbdbl_ctl); |
| kbdbl_ctl = NULL; |
| return ret; |
| } |
| |
| static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd) |
| { |
| if (kbdbl_ctl) { |
| int result; |
| |
| device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); |
| device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr); |
| |
| /* restore the default hw behaviour */ |
| sony_call_snc_handle(kbdbl_ctl->handle, |
| kbdbl_ctl->base | 0x10000, &result); |
| sony_call_snc_handle(kbdbl_ctl->handle, |
| kbdbl_ctl->base + 0x200, &result); |
| |
| kfree(kbdbl_ctl); |
| kbdbl_ctl = NULL; |
| } |
| } |
| |
| static void sony_nc_kbd_backlight_resume(void) |
| { |
| int ignore = 0; |
| |
| if (!kbdbl_ctl) |
| return; |
| |
| if (kbdbl_ctl->mode == 0) |
| sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base, |
| &ignore); |
| |
| if (kbdbl_ctl->timeout != 0) |
| sony_call_snc_handle(kbdbl_ctl->handle, |
| (kbdbl_ctl->base + 0x200) | |
| (kbdbl_ctl->timeout << 0x10), &ignore); |
| } |
| |
| struct battery_care_control { |
| struct device_attribute attrs[2]; |
| unsigned int handle; |
| }; |
| static struct battery_care_control *bcare_ctl; |
| |
| static ssize_t sony_nc_battery_care_limit_store(struct device *dev, |
| struct device_attribute *attr, |
| const char *buffer, size_t count) |
| { |
| unsigned int result, cmd; |
| unsigned long value; |
| |
| if (count > 31) |
| return -EINVAL; |
| |
| if (kstrtoul(buffer, 10, &value)) |
| return -EINVAL; |
| |
| /* limit values (2 bits): |
| * 00 - none |
| * 01 - 80% |
| * 10 - 50% |
| * 11 - 100% |
| * |
| * bit 0: 0 disable BCL, 1 enable BCL |
| * bit 1: 1 tell to store the battery limit (see bits 6,7) too |
| * bits 2,3: reserved |
| * bits 4,5: store the limit into the EC |
| * bits 6,7: store the limit into the battery |
| */ |
| cmd = 0; |
| |
| if (value > 0) { |
| if (value <= 50) |
| cmd = 0x20; |
| |
| else if (value <= 80) |
| cmd = 0x10; |
| |
| else if (value <= 100) |
| cmd = 0x30; |
| |
| else |
| return -EINVAL; |
| |
| /* |
| * handle 0x0115 should allow storing on battery too; |
| * handle 0x0136 same as 0x0115 + health status; |
| * handle 0x013f, same as 0x0136 but no storing on the battery |
| */ |
| if (bcare_ctl->handle != 0x013f) |
| cmd = cmd | (cmd << 2); |
| |
| cmd = (cmd | 0x1) << 0x10; |
| } |
| |
| if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result)) |
| return -EIO; |
| |
| return count; |
| } |
| |
| static ssize_t sony_nc_battery_care_limit_show(struct device *dev, |
| struct device_attribute *attr, char *buffer) |
| { |
| unsigned int result, status; |
| |
| if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result)) |
| return -EIO; |
| |
| status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0; |
| switch (status) { |
| case 1: |
| status = 80; |
| break; |
| case 2: |
| status = 50; |
| break; |
| case 3: |
| status = 100; |
| break; |
| default: |
| status = 0; |
| break; |
| } |
| |
| return snprintf(buffer, PAGE_SIZE, "%d\n", status); |
| } |
| |
| static ssize_t sony_nc_battery_care_health_show(struct device *dev, |
| struct device_attribute *attr, char *buffer) |
| { |
| ssize_t count = 0; |
| unsigned int health; |
| |
| if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health)) |
| return -EIO; |
| |
| count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff); |
| |
| return count; |
| } |
| |
| static int sony_nc_battery_care_setup(struct platform_device *pd, |
| unsigned int handle) |
| { |
| int ret = 0; |
| |
| bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL); |
| if (!bcare_ctl) |
| return -ENOMEM; |
| |
| bcare_ctl->handle = handle; |
| |
| sysfs_attr_init(&bcare_ctl->attrs[0].attr); |
| bcare_ctl->attrs[0].attr.name = "battery_care_limiter"; |
| bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; |
| bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show; |
| bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store; |
| |
| ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]); |
| if (ret) |
| goto outkzalloc; |
| |
| /* 0x0115 is for models with no health reporting capability */ |
| if (handle == 0x0115) |
| return 0; |
| |
| sysfs_attr_init(&bcare_ctl->attrs[1].attr); |
| bcare_ctl->attrs[1].attr.name = "battery_care_health"; |
| bcare_ctl->attrs[1].attr.mode = S_IRUGO; |
| bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show; |
| |
| ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]); |
| if (ret) |
| goto outlimiter; |
| |
| return 0; |
| |
| outlimiter: |
| device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); |
| |
| outkzalloc: |
| kfree(bcare_ctl); |
| bcare_ctl = NULL; |
| |
| return ret; |
| } |
| |
| static void sony_nc_battery_care_cleanup(struct platform_device *pd) |
| { |
| if (bcare_ctl) { |
| device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); |
| if (bcare_ctl->handle != 0x0115) |
| device_remove_file(&pd->dev, &bcare_ctl->attrs[1]); |
| |
| kfree(bcare_ctl); |
| bcare_ctl = NULL; |
| } |
| } |
| |
| struct snc_thermal_ctrl { |
| unsigned int mode; |
| unsigned int profiles; |
| struct device_attribute mode_attr; |
| struct device_attribute profiles_attr; |
| }; |
| static struct snc_thermal_ctrl *th_handle; |
| |
| #define THM_PROFILE_MAX 3 |
| static const char * const snc_thermal_profiles[] = { |
| "balanced", |
| "silent", |
| "performance" |
| }; |
| |
| static int sony_nc_thermal_mode_set(unsigned short mode) |
| { |
| unsigned int result; |
| |
| /* the thermal profile seems to be a two bit bitmask: |
| * lsb -> silent |
| * msb -> performance |
| * no bit set is the normal operation and is always valid |
| * Some vaio models only have "balanced" and "performance" |
| */ |
| if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX) |
| return -EINVAL; |
| |
| if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result)) |
| return -EIO; |
| |
| th_handle->mode = mode; |
| |
| return 0; |
| } |
| |
| static int sony_nc_thermal_mode_get(void) |
| { |
| unsigned int result; |
| |
| if (sony_call_snc_handle(0x0122, 0x0100, &result)) |
| return -EIO; |
| |
| return result & 0xff; |
| } |
| |
| static ssize_t sony_nc_thermal_profiles_show(struct device *dev, |
| struct device_attribute *attr, char *buffer) |
| { |
| short cnt; |
| size_t idx = 0; |
| |
| for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) { |
| if (!cnt || (th_handle->profiles & cnt)) |
| idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ", |
| snc_thermal_profiles[cnt]); |
| } |
| idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n"); |
| |
| return idx; |
| } |
| |
| static ssize_t sony_nc_thermal_mode_store(struct device *dev, |
| struct device_attribute *attr, |
| const char *buffer, size_t count) |
| { |
| unsigned short cmd; |
| size_t len = count; |
| |
| if (count == 0) |
| return -EINVAL; |
| |
| /* skip the newline if present */ |
| if (buffer[len - 1] == '\n') |
| len--; |
| |
| for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++) |
| if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0) |
| break; |
| |
| if (sony_nc_thermal_mode_set(cmd)) |
| return -EIO; |
| |
| return count; |
| } |
| |
| static ssize_t sony_nc_thermal_mode_show(struct device *dev, |
| struct device_attribute *attr, char *buffer) |
| { |
| ssize_t count = 0; |
| unsigned int mode = sony_nc_thermal_mode_get(); |
| |
| if (mode < 0) |
| return mode; |
| |
| count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]); |
| |
| return count; |
| } |
| |
| static int sony_nc_thermal_setup(struct platform_device *pd) |
| { |
| int ret = 0; |
| th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL); |
| if (!th_handle) |
| return -ENOMEM; |
| |
| ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles); |
| if (ret) { |
| pr_warn("couldn't to read the thermal profiles\n"); |
| goto outkzalloc; |
| } |
| |
| ret = sony_nc_thermal_mode_get(); |
| if (ret < 0) { |
| pr_warn("couldn't to read the current thermal profile"); |
| goto outkzalloc; |
| } |
| th_handle->mode = ret; |
| |
| sysfs_attr_init(&th_handle->profiles_attr.attr); |
| th_handle->profiles_attr.attr.name = "thermal_profiles"; |
| th_handle->profiles_attr.attr.mode = S_IRUGO; |
| th_handle->profiles_attr.show = sony_nc_thermal_profiles_show; |
| |
| sysfs_attr_init(&th_handle->mode_attr.attr); |
| th_handle->mode_attr.attr.name = "thermal_control"; |
| th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR; |
| th_handle->mode_attr.show = sony_nc_thermal_mode_show; |
| th_handle->mode_attr.store = sony_nc_thermal_mode_store; |
| |
| ret = device_create_file(&pd->dev, &th_handle->profiles_attr); |
| if (ret) |
| goto outkzalloc; |
| |
| ret = device_create_file(&pd->dev, &th_handle->mode_attr); |
| if (ret) |
| goto outprofiles; |
| |
| return 0; |
| |
| outprofiles: |
| device_remove_file(&pd->dev, &th_handle->profiles_attr); |
| outkzalloc: |
| kfree(th_handle); |
| th_handle = NULL; |
| return ret; |
| } |
| |
| static void sony_nc_thermal_cleanup(struct platform_device *pd) |
| { |
| if (th_handle) { |
| device_remove_file(&pd->dev, &th_handle->profiles_attr); |
| device_remove_file(&pd->dev, &th_handle->mode_attr); |
| kfree(th_handle); |
| th_handle = NULL; |
| } |
| } |
| |
| static void sony_nc_thermal_resume(void) |
| { |
| unsigned int status = sony_nc_thermal_mode_get(); |
| |
| if (status != th_handle->mode) |
| sony_nc_thermal_mode_set(th_handle->mode); |
| } |
| |
| /* resume on LID open */ |
| struct snc_lid_resume_control { |
| struct device_attribute attrs[3]; |
| unsigned int status; |
| }; |
| static struct snc_lid_resume_control *lid_ctl; |
| |
| static ssize_t sony_nc_lid_resume_store(struct device *dev, |
| struct device_attribute *attr, |
| const char *buffer, size_t count) |
| { |
| unsigned int result, pos; |
| unsigned long value; |
| if (count > 31) |
| return -EINVAL; |
| |
| if (kstrtoul(buffer, 10, &value) || value > 1) |
| return -EINVAL; |
| |
| /* the value we have to write to SNC is a bitmask: |
| * +--------------+ |
| * | S3 | S4 | S5 | |
| * +--------------+ |
| * 2 1 0 |
| */ |
| if (strcmp(attr->attr.name, "lid_resume_S3") == 0) |
| pos = 2; |
| else if (strcmp(attr->attr.name, "lid_resume_S4") == 0) |
| pos = 1; |
| else if (strcmp(attr->attr.name, "lid_resume_S5") == 0) |
| pos = 0; |
| else |
| return -EINVAL; |
| |
| if (value) |
| value = lid_ctl->status | (1 << pos); |
| else |
| value = lid_ctl->status & ~(1 << pos); |
| |
| if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result)) |
| return -EIO; |
| |
| lid_ctl->status = value; |
| |
| return count; |
| } |
| |
| static ssize_t sony_nc_lid_resume_show(struct device *dev, |
| struct device_attribute *attr, char *buffer) |
| { |
| unsigned int pos; |
| |
| if (strcmp(attr->attr.name, "lid_resume_S3") == 0) |
| pos = 2; |
| else if (strcmp(attr->attr.name, "lid_resume_S4") == 0) |
| pos = 1; |
| else if (strcmp(attr->attr.name, "lid_resume_S5") == 0) |
| pos = 0; |
| else |
| return -EINVAL; |
| |
| return snprintf(buffer, PAGE_SIZE, "%d\n", |
| (lid_ctl->status >> pos) & 0x01); |
| } |
| |
| static int sony_nc_lid_resume_setup(struct platform_device *pd) |
| { |
| unsigned int result; |
| int i; |
| |
| if (sony_call_snc_handle(0x0119, 0x0000, &result)) |
| return -EIO; |
| |
| lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL); |
| if (!lid_ctl) |
| return -ENOMEM; |
| |
| lid_ctl->status = result & 0x7; |
| |
| sysfs_attr_init(&lid_ctl->attrs[0].attr); |
| lid_ctl->attrs[0].attr.name = "lid_resume_S3"; |
| lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; |
| lid_ctl->attrs[0].show = sony_nc_lid_resume_show; |
| lid_ctl->attrs[0].store = sony_nc_lid_resume_store; |
| |
| sysfs_attr_init(&lid_ctl->attrs[1].attr); |
| lid_ctl->attrs[1].attr.name = "lid_resume_S4"; |
| lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR; |
| lid_ctl->attrs[1].show = sony_nc_lid_resume_show; |
| lid_ctl->attrs[1].store = sony_nc_lid_resume_store; |
| |
| sysfs_attr_init(&lid_ctl->attrs[2].attr); |
| lid_ctl->attrs[2].attr.name = "lid_resume_S5"; |
| lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR; |
| lid_ctl->attrs[2].show = sony_nc_lid_resume_show; |
| lid_ctl->attrs[2].store = sony_nc_lid_resume_store; |
| |
| for (i = 0; i < 3; i++) { |
| result = device_create_file(&pd->dev, &lid_ctl->attrs[i]); |
| if (result) |
| goto liderror; |
| } |
| |
| return 0; |
| |
| liderror: |
| for (; i > 0; i--) |
| device_remove_file(&pd->dev, &lid_ctl->attrs[i]); |
| |
| kfree(lid_ctl); |
| lid_ctl = NULL; |
| |
| return result; |
| } |
| |
| static void sony_nc_lid_resume_cleanup(struct platform_device *pd) |
| { |
| int i; |
| |
| if (lid_ctl) { |
| for (i = 0; i < 3; i++) |
| device_remove_file(&pd->dev, &lid_ctl->attrs[i]); |
| |
| kfree(lid_ctl); |
| lid_ctl = NULL; |
| } |
| } |
| |
| /* High speed charging function */ |
| static struct device_attribute *hsc_handle; |
| |
| static ssize_t sony_nc_highspeed_charging_store(struct device *dev, |
| struct device_attribute *attr, |
| const char *buffer, size_t count) |
| { |
| unsigned int result; |
| unsigned long value; |
| |
| if (count > 31) |
| return -EINVAL; |
| |
| if (kstrtoul(buffer, 10, &value) || value > 1) |
| return -EINVAL; |
| |
| if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result)) |
| return -EIO; |
| |
| return count; |
| } |
| |
| static ssize_t sony_nc_highspeed_charging_show(struct device *dev, |
| struct device_attribute *attr, char *buffer) |
| { |
| unsigned int result; |
| |
| if (sony_call_snc_handle(0x0131, 0x0100, &result)) |
| return -EIO; |
| |
| return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); |
| } |
| |
| static int sony_nc_highspeed_charging_setup(struct platform_device *pd) |
| { |
| unsigned int result; |
| |
| if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) { |
| /* some models advertise the handle but have no implementation |
| * for it |
| */ |
| pr_info("No High Speed Charging capability found\n"); |
| return 0; |
| } |
| |
| hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); |
| if (!hsc_handle) |
| return -ENOMEM; |
| |
| sysfs_attr_init(&hsc_handle->attr); |
| hsc_handle->attr.name = "battery_highspeed_charging"; |
| hsc_handle->attr.mode = S_IRUGO | S_IWUSR; |
| hsc_handle->show = sony_nc_highspeed_charging_show; |
| hsc_handle->store = sony_nc_highspeed_charging_store; |
| |
| result = device_create_file(&pd->dev, hsc_handle); |
| if (result) { |
| kfree(hsc_handle); |
| hsc_handle = NULL; |
| return result; |
| } |
| |
| return 0; |
| } |
| |
| static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) |
| { |
| if (hsc_handle) { |
| device_remove_file(&pd->dev, hsc_handle); |
| kfree(hsc_handle); |
| hsc_handle = NULL; |
| } |
| } |
| |
| /* Touchpad enable/disable */ |
| struct touchpad_control { |
| struct device_attribute attr; |
| int handle; |
| }; |
| static struct touchpad_control *tp_ctl; |
| |
| static ssize_t sony_nc_touchpad_store(struct device *dev, |
| struct device_attribute *attr, const char *buffer, size_t count) |
| { |
| unsigned int result; |
| unsigned long value; |
| |
| if (count > 31) |
| return -EINVAL; |
| |
| if (kstrtoul(buffer, 10, &value) || value > 1) |
| return -EINVAL; |
| |
| /* sysfs: 0 disabled, 1 enabled |
| * EC: 0 enabled, 1 disabled |
| */ |
| if (sony_call_snc_handle(tp_ctl->handle, |
| (!value << 0x10) | 0x100, &result)) |
| return -EIO; |
| |
| return count; |
| } |
| |
| static ssize_t sony_nc_touchpad_show(struct device *dev, |
| struct device_attribute *attr, char *buffer) |
| { |
| unsigned int result; |
| |
| if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result)) |
| return -EINVAL; |
| |
| return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01)); |
| } |
| |
| static int sony_nc_touchpad_setup(struct platform_device *pd, |
| unsigned int handle) |
| { |
| int ret = 0; |
| |
| tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL); |
| if (!tp_ctl) |
| return -ENOMEM; |
| |
| tp_ctl->handle = handle; |
| |
| sysfs_attr_init(&tp_ctl->attr.attr); |
| tp_ctl->attr.attr.name = "touchpad"; |
| tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR; |
| tp_ctl->attr.show = sony_nc_touchpad_show; |
| tp_ctl->attr.store = sony_nc_touchpad_store; |
| |
| ret = device_create_file(&pd->dev, &tp_ctl->attr); |
| if (ret) { |
| kfree(tp_ctl); |
| tp_ctl = NULL; |
| } |
| |
| return ret; |
| } |
| |
| static void sony_nc_touchpad_cleanup(struct platform_device *pd) |
| { |
| if (tp_ctl) { |
| device_remove_file(&pd->dev, &tp_ctl->attr); |
| kfree(tp_ctl); |
| tp_ctl = NULL; |
| } |
| } |
| |
| static void sony_nc_backlight_ng_read_limits(int handle, |
| struct sony_backlight_props *props) |
| { |
| u64 offset; |
| int i; |
| int lvl_table_len = 0; |
| u8 min = 0xff, max = 0x00; |
| unsigned char buffer[32] = { 0 }; |
| |
| 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 |
| */ |
| i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, |
| 32); |
| if (i < 0) |
| return; |
| |
| switch (handle) { |
| case 0x012f: |
| case 0x0137: |
| lvl_table_len = 9; |
| break; |
| case 0x143: |
| lvl_table_len = 16; |
| break; |
| } |
| |
| /* the buffer lists brightness levels available, brightness levels are |
| * from position 0 to 8 in the array, other values are used by ALS |
| * control. |
| */ |
| for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) { |
| |
| dprintk("Brightness level: %d\n", buffer[i]); |
| |
| if (!buffer[i]) |
| break; |
| |
| if (buffer[i] > max) |
| max = buffer[i]; |
| if (buffer[i] < min) |
| min = buffer[i]; |
| } |
| props->offset = min; |
| props->maxlvl = max; |
| dprintk("Brightness levels: min=%d max=%d\n", props->offset, |
| props->maxlvl); |
| } |
| |
| 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; |
| sony_bl_props.cmd_base = 0x0100; |
| sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props); |
| max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; |
| |
| } else if (sony_find_snc_handle(0x137) != -1) { |
| ops = &sony_backlight_ng_ops; |
| sony_bl_props.cmd_base = 0x0100; |
| sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props); |
| max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; |
| |
| } else if (sony_find_snc_handle(0x143) != -1) { |
| ops = &sony_backlight_ng_ops; |
| sony_bl_props.cmd_base = 0x3000; |
| sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props); |
| max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; |
| |
| } 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; |
| sony_bl_props.dev = backlight_device_register("sony", NULL, |
| &sony_bl_props, |
| ops, &props); |
| |
| if (IS_ERR(sony_bl_props.dev)) { |
| pr_warn("unable to register backlight device\n"); |
| sony_bl_props.dev = NULL; |
| } else |
| sony_bl_props.dev->props.brightness = |
| ops->get_brightness(sony_bl_props.dev); |
| } |
| |
| static void sony_nc_backlight_cleanup(void) |
| { |
| if (sony_bl_props.dev) |
| backlight_device_unregister(sony_bl_props.dev); |
| } |
| |
| static int sony_nc_add(struct acpi_device *device) |
| { |
| acpi_status status; |
| int result = 0; |
| acpi_handle handle; |
| struct sony_nc_value *item; |
| |
| pr_info("%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; |
| } |
| |
| result = sony_pf_add(); |
| if (result) |
| goto outpresent; |
| |
| if (debug) { |
| status = acpi_walk_namespace(ACPI_TYPE_METHOD, |
| sony_nc_acpi_handle, 1, sony_walk_callback, |
| NULL, NULL, NULL); |
| if (ACPI_FAILURE(status)) { |
| pr_warn("unable to walk acpi resources\n"); |
| result = -ENODEV; |
| goto outpresent; |
| } |
| } |
| |
| result = sony_laptop_setup_input(device); |
| if (result) { |
| pr_err("Unable to create input devices\n"); |
| goto outplatform; |
| } |
| |
| if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", |
| &handle))) { |
| int arg = 1; |
| if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) |
| dprintk("ECON Method failed\n"); |
| } |
| |
| if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", |
| &handle))) { |
| dprintk("Doing SNC setup\n"); |
| /* retrieve the available handles */ |
| result = sony_nc_handles_setup(sony_pf_device); |
| if (!result) |
| sony_nc_function_setup(device, sony_pf_device); |
| } |
| |
| /* setup input devices and helper fifo */ |
| if (acpi_video_backlight_support()) { |
| pr_info("brightness ignored, must be controlled by ACPI video driver\n"); |
| } else { |
| sony_nc_backlight_setup(); |
| } |
| |
| /* 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_nc_backlight_cleanup(); |
| sony_nc_function_cleanup(sony_pf_device); |
| sony_nc_handles_cleanup(sony_pf_device); |
| |
| outplatform: |
| sony_laptop_remove_input(); |
| |
| outpresent: |
| sony_pf_remove(); |
| |
| outwalk: |
| sony_nc_rfkill_cleanup(); |
| return result; |
| } |
| |
| static int sony_nc_remove(struct acpi_device *device, int type) |
| { |
| struct sony_nc_value *item; |
| |
| sony_nc_backlight_cleanup(); |
| |
| sony_nc_acpi_device = NULL; |
| |
| for (item = sony_nc_values; item->name; ++item) { |
| device_remove_file(&sony_pf_device->dev, &item->devattr); |
| } |
| |
| sony_nc_function_cleanup(sony_pf_device); |
| sony_nc_handles_cleanup(sony_pf_device); |
| 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, |
| .notify = sony_nc_notify, |
| }, |
| }; |
| |
| /*********** SPIC (SNY6001) Device ***********/ |
| |
| #define SONYPI_DEVICE_TYPE1 0x00000001 |
| #define SONYPI_DEVICE_TYPE2 0x00000002 |
| #define SONYPI_DEVICE_TYPE3 0x00000004 |
| |
| #define SONYPI_TYPE1_OFFSET 0x04 |
| #define SONYPI_TYPE2_OFFSET 0x12 |
| #define SONYPI_TYPE3_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 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); |
| int model; |
| u16 evport_offset; |
| 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), |
| }; |
| |
| static int spic_drv_registered; |
| |
| /* 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 }, |
| { 0x20, SONYPI_EVENT_PKEY_P1 }, |
| { 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_IGNORE }, |
| { 0x5a, SONYPI_EVENT_IGNORE }, |
| { 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 }, |
| { 0x04, SONYPI_EVENT_ZOOM_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 } |
| }; |
| |
| /* 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 } |
| }; |
| |
| 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 }, |
| { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, |
| { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, |
| { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, |
| { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, |
| { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, |
| { 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 type3_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 Type3 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 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->model = SONYPI_DEVICE_TYPE1; |
| dev->evport_offset = SONYPI_TYPE1_OFFSET; |
| dev->event_types = type1_events; |
| goto out; |
| } |
| |
| pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, |
| PCI_DEVICE_ID_INTEL_ICH6_1, NULL); |
| if (pcidev) { |
| dev->model = SONYPI_DEVICE_TYPE2; |
| dev->evport_offset = SONYPI_TYPE2_OFFSET; |
| dev->event_types = type2_events; |
| goto out; |
| } |
| |
| pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, |
| PCI_DEVICE_ID_INTEL_ICH7_1, NULL); |
| if (pcidev) { |
| dev->model = SONYPI_DEVICE_TYPE3; |
| dev->handle_irq = type3_handle_irq; |
| dev->evport_offset = SONYPI_TYPE3_OFFSET; |
| dev->event_types = type3_events; |
| goto out; |
| } |
| |
| pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, |
| PCI_DEVICE_ID_INTEL_ICH8_4, NULL); |
| if (pcidev) { |
| dev->model = SONYPI_DEVICE_TYPE3; |
| dev->handle_irq = type3_handle_irq; |
| dev->evport_offset = SONYPI_TYPE3_OFFSET; |
| dev->event_types = type3_events; |
| goto out; |
| } |
| |
| pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, |
| PCI_DEVICE_ID_INTEL_ICH9_1, NULL); |
| if (pcidev) { |
| dev->model = SONYPI_DEVICE_TYPE3; |
| dev->handle_irq = type3_handle_irq; |
| dev->evport_offset = SONYPI_TYPE3_OFFSET; |
| dev->event_types = type3_events; |
| goto out; |
| } |
| |
| /* default */ |
| dev->model = SONYPI_DEVICE_TYPE2; |
| dev->evport_offset = SONYPI_TYPE2_OFFSET; |
| dev->event_types = type2_events; |
| |
| out: |
| if (pcidev) |
| pci_dev_put(pcidev); |
| |
| pr_info("detected Type%d model\n", |
| dev->model == SONYPI_DEVICE_TYPE1 ? 1 : |
| dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); |
| } |
| |
| /* 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) { |
| pr_warn("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) { |
| pr_warn("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) { |
| pr_warn("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: |
| pr_err("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; |
| if (spic_dev.wwan_power == state) |
| return; |
| sony_pic_call2(0xB0, state); |
| sony_pic_call1(0x82); |
| 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; |
| |
| if (kstrtoul(buffer, 10, &value)) |
| return -EINVAL; |
| |
| mutex_lock(&spic_dev.lock); |
| __sony_pic_set_wwanpower(value); |
| mutex_unlock(&spic_dev.lock); |
| |
| 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; |
| |
| if (kstrtoul(buffer, 10, &value)) |
| return -EINVAL; |
| |
| 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; |
| |
| if (kstrtoul(buffer, 10, &value)) |
| return -EINVAL; |
| |
| 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) |
| { |
| return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); |
| } |
| |
| 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 */ |
| unsigned long flags; |
| |
| spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); |
| |
| if (atomic_inc_return(&sonypi_compat.open_count) == 1) |
| kfifo_reset(&sonypi_compat.fifo); |
| |
| spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags); |
| |
| 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_out_locked(&sonypi_compat.fifo, &c, sizeof(c), |
| &sonypi_compat.fifo_lock) == 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 long sonypi_misc_ioctl(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_bl_props.dev == NULL) { |
| ret = -EIO; |
| break; |
| } |
| if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, |
| &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_bl_props.dev == NULL) { |
| ret = -EIO; |
| break; |
| } |
| if (copy_from_user(&val8, argp, sizeof(val8))) { |
| ret = -EFAULT; |
| break; |
| } |
| value = (val8 >> 5) + 1; |
| if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value, |
| NULL)) { |
| ret = -EIO; |
| break; |
| } |
| /* sync the backlight device status */ |
| sony_bl_props.dev->props.brightness = |
| sony_backlight_get_brightness(sony_bl_props.dev); |
| 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, |
| .unlocked_ioctl = sonypi_misc_ioctl, |
| .llseek = noop_llseek, |
| }; |
| |
| 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_in_locked(&sonypi_compat.fifo, (unsigned char *)&event, |
| sizeof(event), &sonypi_compat.fifo_lock); |
| 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); |
| error = |
| kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); |
| if (error) { |
| pr_err("kfifo_alloc failed\n"); |
| return error; |
| } |
| |
| init_waitqueue_head(&sonypi_compat.fifo_proc_list); |
| |
| if (minor != -1) |
| sonypi_misc_device.minor = minor; |
| error = misc_register(&sonypi_misc_device); |
| if (error) { |
| pr_err("misc_register failed\n"); |
| goto err_free_kfifo; |
| } |
| if (minor == -1) |
| pr_info("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]) { |
| pr_warn("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 { |
| pr_err("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) { |
| pr_warn("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)) { |
| pr_warn("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.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)) { |
| pr_err("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->evport_offset); |
| |
| dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", |
| ev, data_mask, dev->cur_ioport->io1.minimum, |
| dev->evport_offset); |
| |
| if (ev == 0x00 || ev == 0xff) |
| return IRQ_HANDLED; |
| |
| for (i = 0; dev->event_types[i].mask; i++) { |
| |
| if ((data_mask & dev->event_types[i].data) != |
| dev->event_types[i].data) |
| continue; |
| |
| if (!(mask & dev->event_types[i].mask)) |
| continue; |
| |
| for (j = 0; dev->event_types[i].events[j].event; j++) { |
| if (ev == dev->event_types[i].events[j].data) { |
| device_event = |
| dev->event_types[i].events[j].event; |
| /* some events may require ignoring */ |
| if (!device_event) |
| return IRQ_HANDLED; |
| goto found; |
| } |
| } |
| } |
| /* Still not able to decode the event try to pass |
| * it over to the minidriver |
| */ |
| if (dev->handle_irq && dev->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->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)) { |
| pr_err("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; |
| |
| pr_info("%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) { |
| pr_err("Unable to read possible resources\n"); |
| goto err_free_resources; |
| } |
| |
| /* setup input devices and helper fifo */ |
| result = sony_laptop_setup_input(device); |
| if (result) { |
| pr_err("Unable 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 Programmable 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 Programmable 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) { |
| pr_err("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, |
| 0, "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) { |
| pr_err("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) { |
| pr_err("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) { |
| pr_err("Unable to register SPIC driver\n"); |
| goto out; |
| } |
| spic_drv_registered = 1; |
| } |
| |
| result = acpi_bus_register_driver(&sony_nc_driver); |
| if (result) { |
| pr_err("Unable to register SNC driver\n"); |
| goto out_unregister_pic; |
| } |
| |
| return 0; |
| |
| out_unregister_pic: |
| if (spic_drv_registered) |
| 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 (spic_drv_registered) |
| acpi_bus_unregister_driver(&sony_pic_driver); |
| } |
| |
| module_init(sony_laptop_init); |
| module_exit(sony_laptop_exit); |