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path: root/drivers/misc/eeepc-laptop.c
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Diffstat (limited to 'drivers/misc/eeepc-laptop.c')
-rw-r--r--drivers/misc/eeepc-laptop.c872
1 files changed, 0 insertions, 872 deletions
diff --git a/drivers/misc/eeepc-laptop.c b/drivers/misc/eeepc-laptop.c
deleted file mode 100644
index 02fe2b8b893..00000000000
--- a/drivers/misc/eeepc-laptop.c
+++ /dev/null
@@ -1,872 +0,0 @@
-/*
- * eepc-laptop.c - Asus Eee PC extras
- *
- * Based on asus_acpi.c as patched for the Eee PC by Asus:
- * ftp://ftp.asus.com/pub/ASUS/EeePC/701/ASUS_ACPI_071126.rar
- * Based on eee.c from eeepc-linux
- *
- * 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.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/platform_device.h>
-#include <linux/backlight.h>
-#include <linux/fb.h>
-#include <linux/hwmon.h>
-#include <linux/hwmon-sysfs.h>
-#include <acpi/acpi_drivers.h>
-#include <acpi/acpi_bus.h>
-#include <linux/uaccess.h>
-#include <linux/input.h>
-#include <linux/rfkill.h>
-
-#define EEEPC_LAPTOP_VERSION "0.1"
-
-#define EEEPC_HOTK_NAME "Eee PC Hotkey Driver"
-#define EEEPC_HOTK_FILE "eeepc"
-#define EEEPC_HOTK_CLASS "hotkey"
-#define EEEPC_HOTK_DEVICE_NAME "Hotkey"
-#define EEEPC_HOTK_HID "ASUS010"
-
-#define EEEPC_LOG EEEPC_HOTK_FILE ": "
-#define EEEPC_ERR KERN_ERR EEEPC_LOG
-#define EEEPC_WARNING KERN_WARNING EEEPC_LOG
-#define EEEPC_NOTICE KERN_NOTICE EEEPC_LOG
-#define EEEPC_INFO KERN_INFO EEEPC_LOG
-
-/*
- * Definitions for Asus EeePC
- */
-#define NOTIFY_WLAN_ON 0x10
-#define NOTIFY_BRN_MIN 0x20
-#define NOTIFY_BRN_MAX 0x2f
-
-enum {
- DISABLE_ASL_WLAN = 0x0001,
- DISABLE_ASL_BLUETOOTH = 0x0002,
- DISABLE_ASL_IRDA = 0x0004,
- DISABLE_ASL_CAMERA = 0x0008,
- DISABLE_ASL_TV = 0x0010,
- DISABLE_ASL_GPS = 0x0020,
- DISABLE_ASL_DISPLAYSWITCH = 0x0040,
- DISABLE_ASL_MODEM = 0x0080,
- DISABLE_ASL_CARDREADER = 0x0100
-};
-
-enum {
- CM_ASL_WLAN = 0,
- CM_ASL_BLUETOOTH,
- CM_ASL_IRDA,
- CM_ASL_1394,
- CM_ASL_CAMERA,
- CM_ASL_TV,
- CM_ASL_GPS,
- CM_ASL_DVDROM,
- CM_ASL_DISPLAYSWITCH,
- CM_ASL_PANELBRIGHT,
- CM_ASL_BIOSFLASH,
- CM_ASL_ACPIFLASH,
- CM_ASL_CPUFV,
- CM_ASL_CPUTEMPERATURE,
- CM_ASL_FANCPU,
- CM_ASL_FANCHASSIS,
- CM_ASL_USBPORT1,
- CM_ASL_USBPORT2,
- CM_ASL_USBPORT3,
- CM_ASL_MODEM,
- CM_ASL_CARDREADER,
- CM_ASL_LID
-};
-
-static const char *cm_getv[] = {
- "WLDG", NULL, NULL, NULL,
- "CAMG", NULL, NULL, NULL,
- NULL, "PBLG", NULL, NULL,
- "CFVG", NULL, NULL, NULL,
- "USBG", NULL, NULL, "MODG",
- "CRDG", "LIDG"
-};
-
-static const char *cm_setv[] = {
- "WLDS", NULL, NULL, NULL,
- "CAMS", NULL, NULL, NULL,
- "SDSP", "PBLS", "HDPS", NULL,
- "CFVS", NULL, NULL, NULL,
- "USBG", NULL, NULL, "MODS",
- "CRDS", NULL
-};
-
-#define EEEPC_EC "\\_SB.PCI0.SBRG.EC0."
-
-#define EEEPC_EC_FAN_PWM EEEPC_EC "SC02" /* Fan PWM duty cycle (%) */
-#define EEEPC_EC_SC02 0x63
-#define EEEPC_EC_FAN_HRPM EEEPC_EC "SC05" /* High byte, fan speed (RPM) */
-#define EEEPC_EC_FAN_LRPM EEEPC_EC "SC06" /* Low byte, fan speed (RPM) */
-#define EEEPC_EC_FAN_CTRL EEEPC_EC "SFB3" /* Byte containing SF25 */
-#define EEEPC_EC_SFB3 0xD3
-
-/*
- * This is the main structure, we can use it to store useful information
- * about the hotk device
- */
-struct eeepc_hotk {
- struct acpi_device *device; /* the device we are in */
- acpi_handle handle; /* the handle of the hotk device */
- u32 cm_supported; /* the control methods supported
- by this BIOS */
- uint init_flag; /* Init flags */
- u16 event_count[128]; /* count for each event */
- struct input_dev *inputdev;
- u16 *keycode_map;
- struct rfkill *eeepc_wlan_rfkill;
- struct rfkill *eeepc_bluetooth_rfkill;
-};
-
-/* The actual device the driver binds to */
-static struct eeepc_hotk *ehotk;
-
-/* Platform device/driver */
-static struct platform_driver platform_driver = {
- .driver = {
- .name = EEEPC_HOTK_FILE,
- .owner = THIS_MODULE,
- }
-};
-
-static struct platform_device *platform_device;
-
-struct key_entry {
- char type;
- u8 code;
- u16 keycode;
-};
-
-enum { KE_KEY, KE_END };
-
-static struct key_entry eeepc_keymap[] = {
- /* Sleep already handled via generic ACPI code */
- {KE_KEY, 0x10, KEY_WLAN },
- {KE_KEY, 0x12, KEY_PROG1 },
- {KE_KEY, 0x13, KEY_MUTE },
- {KE_KEY, 0x14, KEY_VOLUMEDOWN },
- {KE_KEY, 0x15, KEY_VOLUMEUP },
- {KE_KEY, 0x30, KEY_SWITCHVIDEOMODE },
- {KE_KEY, 0x31, KEY_SWITCHVIDEOMODE },
- {KE_KEY, 0x32, KEY_SWITCHVIDEOMODE },
- {KE_END, 0},
-};
-
-/*
- * The hotkey driver declaration
- */
-static int eeepc_hotk_add(struct acpi_device *device);
-static int eeepc_hotk_remove(struct acpi_device *device, int type);
-
-static const struct acpi_device_id eeepc_device_ids[] = {
- {EEEPC_HOTK_HID, 0},
- {"", 0},
-};
-MODULE_DEVICE_TABLE(acpi, eeepc_device_ids);
-
-static struct acpi_driver eeepc_hotk_driver = {
- .name = EEEPC_HOTK_NAME,
- .class = EEEPC_HOTK_CLASS,
- .ids = eeepc_device_ids,
- .ops = {
- .add = eeepc_hotk_add,
- .remove = eeepc_hotk_remove,
- },
-};
-
-/* The backlight device /sys/class/backlight */
-static struct backlight_device *eeepc_backlight_device;
-
-/* The hwmon device */
-static struct device *eeepc_hwmon_device;
-
-/*
- * The backlight class declaration
- */
-static int read_brightness(struct backlight_device *bd);
-static int update_bl_status(struct backlight_device *bd);
-static struct backlight_ops eeepcbl_ops = {
- .get_brightness = read_brightness,
- .update_status = update_bl_status,
-};
-
-MODULE_AUTHOR("Corentin Chary, Eric Cooper");
-MODULE_DESCRIPTION(EEEPC_HOTK_NAME);
-MODULE_LICENSE("GPL");
-
-/*
- * ACPI Helpers
- */
-static int write_acpi_int(acpi_handle handle, const char *method, int val,
- struct acpi_buffer *output)
-{
- struct acpi_object_list params;
- union acpi_object in_obj;
- acpi_status status;
-
- params.count = 1;
- params.pointer = &in_obj;
- in_obj.type = ACPI_TYPE_INTEGER;
- in_obj.integer.value = val;
-
- status = acpi_evaluate_object(handle, (char *)method, &params, output);
- return (status == AE_OK ? 0 : -1);
-}
-
-static int read_acpi_int(acpi_handle handle, const char *method, int *val)
-{
- acpi_status status;
- unsigned long long result;
-
- status = acpi_evaluate_integer(handle, (char *)method, NULL, &result);
- if (ACPI_FAILURE(status)) {
- *val = -1;
- return -1;
- } else {
- *val = result;
- return 0;
- }
-}
-
-static int set_acpi(int cm, int value)
-{
- if (ehotk->cm_supported & (0x1 << cm)) {
- const char *method = cm_setv[cm];
- if (method == NULL)
- return -ENODEV;
- if (write_acpi_int(ehotk->handle, method, value, NULL))
- printk(EEEPC_WARNING "Error writing %s\n", method);
- }
- return 0;
-}
-
-static int get_acpi(int cm)
-{
- int value = -1;
- if ((ehotk->cm_supported & (0x1 << cm))) {
- const char *method = cm_getv[cm];
- if (method == NULL)
- return -ENODEV;
- if (read_acpi_int(ehotk->handle, method, &value))
- printk(EEEPC_WARNING "Error reading %s\n", method);
- }
- return value;
-}
-
-/*
- * Backlight
- */
-static int read_brightness(struct backlight_device *bd)
-{
- return get_acpi(CM_ASL_PANELBRIGHT);
-}
-
-static int set_brightness(struct backlight_device *bd, int value)
-{
- value = max(0, min(15, value));
- return set_acpi(CM_ASL_PANELBRIGHT, value);
-}
-
-static int update_bl_status(struct backlight_device *bd)
-{
- return set_brightness(bd, bd->props.brightness);
-}
-
-/*
- * Rfkill helpers
- */
-
-static int eeepc_wlan_rfkill_set(void *data, enum rfkill_state state)
-{
- if (state == RFKILL_STATE_SOFT_BLOCKED)
- return set_acpi(CM_ASL_WLAN, 0);
- else
- return set_acpi(CM_ASL_WLAN, 1);
-}
-
-static int eeepc_wlan_rfkill_state(void *data, enum rfkill_state *state)
-{
- if (get_acpi(CM_ASL_WLAN) == 1)
- *state = RFKILL_STATE_UNBLOCKED;
- else
- *state = RFKILL_STATE_SOFT_BLOCKED;
- return 0;
-}
-
-static int eeepc_bluetooth_rfkill_set(void *data, enum rfkill_state state)
-{
- if (state == RFKILL_STATE_SOFT_BLOCKED)
- return set_acpi(CM_ASL_BLUETOOTH, 0);
- else
- return set_acpi(CM_ASL_BLUETOOTH, 1);
-}
-
-static int eeepc_bluetooth_rfkill_state(void *data, enum rfkill_state *state)
-{
- if (get_acpi(CM_ASL_BLUETOOTH) == 1)
- *state = RFKILL_STATE_UNBLOCKED;
- else
- *state = RFKILL_STATE_SOFT_BLOCKED;
- return 0;
-}
-
-/*
- * Sys helpers
- */
-static int parse_arg(const char *buf, unsigned long count, int *val)
-{
- if (!count)
- return 0;
- if (sscanf(buf, "%i", val) != 1)
- return -EINVAL;
- return count;
-}
-
-static ssize_t store_sys_acpi(int cm, const char *buf, size_t count)
-{
- int rv, value;
-
- rv = parse_arg(buf, count, &value);
- if (rv > 0)
- set_acpi(cm, value);
- return rv;
-}
-
-static ssize_t show_sys_acpi(int cm, char *buf)
-{
- return sprintf(buf, "%d\n", get_acpi(cm));
-}
-
-#define EEEPC_CREATE_DEVICE_ATTR(_name, _cm) \
- static ssize_t show_##_name(struct device *dev, \
- struct device_attribute *attr, \
- char *buf) \
- { \
- return show_sys_acpi(_cm, buf); \
- } \
- static ssize_t store_##_name(struct device *dev, \
- struct device_attribute *attr, \
- const char *buf, size_t count) \
- { \
- return store_sys_acpi(_cm, buf, count); \
- } \
- static struct device_attribute dev_attr_##_name = { \
- .attr = { \
- .name = __stringify(_name), \
- .mode = 0644 }, \
- .show = show_##_name, \
- .store = store_##_name, \
- }
-
-EEEPC_CREATE_DEVICE_ATTR(camera, CM_ASL_CAMERA);
-EEEPC_CREATE_DEVICE_ATTR(cardr, CM_ASL_CARDREADER);
-EEEPC_CREATE_DEVICE_ATTR(disp, CM_ASL_DISPLAYSWITCH);
-
-static struct attribute *platform_attributes[] = {
- &dev_attr_camera.attr,
- &dev_attr_cardr.attr,
- &dev_attr_disp.attr,
- NULL
-};
-
-static struct attribute_group platform_attribute_group = {
- .attrs = platform_attributes
-};
-
-/*
- * Hotkey functions
- */
-static struct key_entry *eepc_get_entry_by_scancode(int code)
-{
- struct key_entry *key;
-
- for (key = eeepc_keymap; key->type != KE_END; key++)
- if (code == key->code)
- return key;
-
- return NULL;
-}
-
-static struct key_entry *eepc_get_entry_by_keycode(int code)
-{
- struct key_entry *key;
-
- for (key = eeepc_keymap; key->type != KE_END; key++)
- if (code == key->keycode && key->type == KE_KEY)
- return key;
-
- return NULL;
-}
-
-static int eeepc_getkeycode(struct input_dev *dev, int scancode, int *keycode)
-{
- struct key_entry *key = eepc_get_entry_by_scancode(scancode);
-
- if (key && key->type == KE_KEY) {
- *keycode = key->keycode;
- return 0;
- }
-
- return -EINVAL;
-}
-
-static int eeepc_setkeycode(struct input_dev *dev, int scancode, int keycode)
-{
- struct key_entry *key;
- int old_keycode;
-
- if (keycode < 0 || keycode > KEY_MAX)
- return -EINVAL;
-
- key = eepc_get_entry_by_scancode(scancode);
- if (key && key->type == KE_KEY) {
- old_keycode = key->keycode;
- key->keycode = keycode;
- set_bit(keycode, dev->keybit);
- if (!eepc_get_entry_by_keycode(old_keycode))
- clear_bit(old_keycode, dev->keybit);
- return 0;
- }
-
- return -EINVAL;
-}
-
-static int eeepc_hotk_check(void)
-{
- const struct key_entry *key;
- struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
- int result;
-
- result = acpi_bus_get_status(ehotk->device);
- if (result)
- return result;
- if (ehotk->device->status.present) {
- if (write_acpi_int(ehotk->handle, "INIT", ehotk->init_flag,
- &buffer)) {
- printk(EEEPC_ERR "Hotkey initialization failed\n");
- return -ENODEV;
- } else {
- printk(EEEPC_NOTICE "Hotkey init flags 0x%x\n",
- ehotk->init_flag);
- }
- /* get control methods supported */
- if (read_acpi_int(ehotk->handle, "CMSG"
- , &ehotk->cm_supported)) {
- printk(EEEPC_ERR
- "Get control methods supported failed\n");
- return -ENODEV;
- } else {
- printk(EEEPC_INFO
- "Get control methods supported: 0x%x\n",
- ehotk->cm_supported);
- }
- ehotk->inputdev = input_allocate_device();
- if (!ehotk->inputdev) {
- printk(EEEPC_INFO "Unable to allocate input device\n");
- return 0;
- }
- ehotk->inputdev->name = "Asus EeePC extra buttons";
- ehotk->inputdev->phys = EEEPC_HOTK_FILE "/input0";
- ehotk->inputdev->id.bustype = BUS_HOST;
- ehotk->inputdev->getkeycode = eeepc_getkeycode;
- ehotk->inputdev->setkeycode = eeepc_setkeycode;
-
- for (key = eeepc_keymap; key->type != KE_END; key++) {
- switch (key->type) {
- case KE_KEY:
- set_bit(EV_KEY, ehotk->inputdev->evbit);
- set_bit(key->keycode, ehotk->inputdev->keybit);
- break;
- }
- }
- result = input_register_device(ehotk->inputdev);
- if (result) {
- printk(EEEPC_INFO "Unable to register input device\n");
- input_free_device(ehotk->inputdev);
- return 0;
- }
- } else {
- printk(EEEPC_ERR "Hotkey device not present, aborting\n");
- return -EINVAL;
- }
- return 0;
-}
-
-static void notify_brn(void)
-{
- struct backlight_device *bd = eeepc_backlight_device;
- bd->props.brightness = read_brightness(bd);
-}
-
-static void eeepc_hotk_notify(acpi_handle handle, u32 event, void *data)
-{
- static struct key_entry *key;
- if (!ehotk)
- return;
- if (event >= NOTIFY_BRN_MIN && event <= NOTIFY_BRN_MAX)
- notify_brn();
- acpi_bus_generate_proc_event(ehotk->device, event,
- ehotk->event_count[event % 128]++);
- if (ehotk->inputdev) {
- key = eepc_get_entry_by_scancode(event);
- if (key) {
- switch (key->type) {
- case KE_KEY:
- input_report_key(ehotk->inputdev, key->keycode,
- 1);
- input_sync(ehotk->inputdev);
- input_report_key(ehotk->inputdev, key->keycode,
- 0);
- input_sync(ehotk->inputdev);
- break;
- }
- }
- }
-}
-
-static int eeepc_hotk_add(struct acpi_device *device)
-{
- acpi_status status = AE_OK;
- int result;
-
- if (!device)
- return -EINVAL;
- printk(EEEPC_NOTICE EEEPC_HOTK_NAME "\n");
- ehotk = kzalloc(sizeof(struct eeepc_hotk), GFP_KERNEL);
- if (!ehotk)
- return -ENOMEM;
- ehotk->init_flag = DISABLE_ASL_WLAN | DISABLE_ASL_DISPLAYSWITCH;
- ehotk->handle = device->handle;
- strcpy(acpi_device_name(device), EEEPC_HOTK_DEVICE_NAME);
- strcpy(acpi_device_class(device), EEEPC_HOTK_CLASS);
- device->driver_data = ehotk;
- ehotk->device = device;
- result = eeepc_hotk_check();
- if (result)
- goto end;
- status = acpi_install_notify_handler(ehotk->handle, ACPI_SYSTEM_NOTIFY,
- eeepc_hotk_notify, ehotk);
- if (ACPI_FAILURE(status))
- printk(EEEPC_ERR "Error installing notify handler\n");
-
- if (get_acpi(CM_ASL_WLAN) != -1) {
- ehotk->eeepc_wlan_rfkill = rfkill_allocate(&device->dev,
- RFKILL_TYPE_WLAN);
-
- if (!ehotk->eeepc_wlan_rfkill)
- goto end;
-
- ehotk->eeepc_wlan_rfkill->name = "eeepc-wlan";
- ehotk->eeepc_wlan_rfkill->toggle_radio = eeepc_wlan_rfkill_set;
- ehotk->eeepc_wlan_rfkill->get_state = eeepc_wlan_rfkill_state;
- if (get_acpi(CM_ASL_WLAN) == 1)
- ehotk->eeepc_wlan_rfkill->state =
- RFKILL_STATE_UNBLOCKED;
- else
- ehotk->eeepc_wlan_rfkill->state =
- RFKILL_STATE_SOFT_BLOCKED;
- rfkill_register(ehotk->eeepc_wlan_rfkill);
- }
-
- if (get_acpi(CM_ASL_BLUETOOTH) != -1) {
- ehotk->eeepc_bluetooth_rfkill =
- rfkill_allocate(&device->dev, RFKILL_TYPE_BLUETOOTH);
-
- if (!ehotk->eeepc_bluetooth_rfkill)
- goto end;
-
- ehotk->eeepc_bluetooth_rfkill->name = "eeepc-bluetooth";
- ehotk->eeepc_bluetooth_rfkill->toggle_radio =
- eeepc_bluetooth_rfkill_set;
- ehotk->eeepc_bluetooth_rfkill->get_state =
- eeepc_bluetooth_rfkill_state;
- if (get_acpi(CM_ASL_BLUETOOTH) == 1)
- ehotk->eeepc_bluetooth_rfkill->state =
- RFKILL_STATE_UNBLOCKED;
- else
- ehotk->eeepc_bluetooth_rfkill->state =
- RFKILL_STATE_SOFT_BLOCKED;
- rfkill_register(ehotk->eeepc_bluetooth_rfkill);
- }
-
- end:
- if (result) {
- kfree(ehotk);
- ehotk = NULL;
- }
- return result;
-}
-
-static int eeepc_hotk_remove(struct acpi_device *device, int type)
-{
- acpi_status status = 0;
-
- if (!device || !acpi_driver_data(device))
- return -EINVAL;
- status = acpi_remove_notify_handler(ehotk->handle, ACPI_SYSTEM_NOTIFY,
- eeepc_hotk_notify);
- if (ACPI_FAILURE(status))
- printk(EEEPC_ERR "Error removing notify handler\n");
- kfree(ehotk);
- return 0;
-}
-
-/*
- * Hwmon
- */
-static int eeepc_get_fan_pwm(void)
-{
- int value = 0;
-
- read_acpi_int(NULL, EEEPC_EC_FAN_PWM, &value);
- value = value * 255 / 100;
- return (value);
-}
-
-static void eeepc_set_fan_pwm(int value)
-{
- value = SENSORS_LIMIT(value, 0, 255);
- value = value * 100 / 255;
- ec_write(EEEPC_EC_SC02, value);
-}
-
-static int eeepc_get_fan_rpm(void)
-{
- int high = 0;
- int low = 0;
-
- read_acpi_int(NULL, EEEPC_EC_FAN_HRPM, &high);
- read_acpi_int(NULL, EEEPC_EC_FAN_LRPM, &low);
- return (high << 8 | low);
-}
-
-static int eeepc_get_fan_ctrl(void)
-{
- int value = 0;
-
- read_acpi_int(NULL, EEEPC_EC_FAN_CTRL, &value);
- return ((value & 0x02 ? 1 : 0));
-}
-
-static void eeepc_set_fan_ctrl(int manual)
-{
- int value = 0;
-
- read_acpi_int(NULL, EEEPC_EC_FAN_CTRL, &value);
- if (manual)
- value |= 0x02;
- else
- value &= ~0x02;
- ec_write(EEEPC_EC_SFB3, value);
-}
-
-static ssize_t store_sys_hwmon(void (*set)(int), const char *buf, size_t count)
-{
- int rv, value;
-
- rv = parse_arg(buf, count, &value);
- if (rv > 0)
- set(value);
- return rv;
-}
-
-static ssize_t show_sys_hwmon(int (*get)(void), char *buf)
-{
- return sprintf(buf, "%d\n", get());
-}
-
-#define EEEPC_CREATE_SENSOR_ATTR(_name, _mode, _set, _get) \
- static ssize_t show_##_name(struct device *dev, \
- struct device_attribute *attr, \
- char *buf) \
- { \
- return show_sys_hwmon(_set, buf); \
- } \
- static ssize_t store_##_name(struct device *dev, \
- struct device_attribute *attr, \
- const char *buf, size_t count) \
- { \
- return store_sys_hwmon(_get, buf, count); \
- } \
- static SENSOR_DEVICE_ATTR(_name, _mode, show_##_name, store_##_name, 0);
-
-EEEPC_CREATE_SENSOR_ATTR(fan1_input, S_IRUGO, eeepc_get_fan_rpm, NULL);
-EEEPC_CREATE_SENSOR_ATTR(pwm1, S_IRUGO | S_IWUSR,
- eeepc_get_fan_pwm, eeepc_set_fan_pwm);
-EEEPC_CREATE_SENSOR_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
- eeepc_get_fan_ctrl, eeepc_set_fan_ctrl);
-
-static ssize_t
-show_name(struct device *dev, struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "eeepc\n");
-}
-static SENSOR_DEVICE_ATTR(name, S_IRUGO, show_name, NULL, 0);
-
-static struct attribute *hwmon_attributes[] = {
- &sensor_dev_attr_pwm1.dev_attr.attr,
- &sensor_dev_attr_fan1_input.dev_attr.attr,
- &sensor_dev_attr_pwm1_enable.dev_attr.attr,
- &sensor_dev_attr_name.dev_attr.attr,
- NULL
-};
-
-static struct attribute_group hwmon_attribute_group = {
- .attrs = hwmon_attributes
-};
-
-/*
- * exit/init
- */
-static void eeepc_backlight_exit(void)
-{
- if (eeepc_backlight_device)
- backlight_device_unregister(eeepc_backlight_device);
- if (ehotk->inputdev)
- input_unregister_device(ehotk->inputdev);
- if (ehotk->eeepc_wlan_rfkill)
- rfkill_unregister(ehotk->eeepc_wlan_rfkill);
- if (ehotk->eeepc_bluetooth_rfkill)
- rfkill_unregister(ehotk->eeepc_bluetooth_rfkill);
- eeepc_backlight_device = NULL;
-}
-
-static void eeepc_hwmon_exit(void)
-{
- struct device *hwmon;
-
- hwmon = eeepc_hwmon_device;
- if (!hwmon)
- return ;
- sysfs_remove_group(&hwmon->kobj,
- &hwmon_attribute_group);
- hwmon_device_unregister(hwmon);
- eeepc_hwmon_device = NULL;
-}
-
-static void __exit eeepc_laptop_exit(void)
-{
- eeepc_backlight_exit();
- eeepc_hwmon_exit();
- acpi_bus_unregister_driver(&eeepc_hotk_driver);
- sysfs_remove_group(&platform_device->dev.kobj,
- &platform_attribute_group);
- platform_device_unregister(platform_device);
- platform_driver_unregister(&platform_driver);
-}
-
-static int eeepc_backlight_init(struct device *dev)
-{
- struct backlight_device *bd;
-
- bd = backlight_device_register(EEEPC_HOTK_FILE, dev,
- NULL, &eeepcbl_ops);
- if (IS_ERR(bd)) {
- printk(EEEPC_ERR
- "Could not register eeepc backlight device\n");
- eeepc_backlight_device = NULL;
- return PTR_ERR(bd);
- }
- eeepc_backlight_device = bd;
- bd->props.max_brightness = 15;
- bd->props.brightness = read_brightness(NULL);
- bd->props.power = FB_BLANK_UNBLANK;
- backlight_update_status(bd);
- return 0;
-}
-
-static int eeepc_hwmon_init(struct device *dev)
-{
- struct device *hwmon;
- int result;
-
- hwmon = hwmon_device_register(dev);
- if (IS_ERR(hwmon)) {
- printk(EEEPC_ERR
- "Could not register eeepc hwmon device\n");
- eeepc_hwmon_device = NULL;
- return PTR_ERR(hwmon);
- }
- eeepc_hwmon_device = hwmon;
- result = sysfs_create_group(&hwmon->kobj,
- &hwmon_attribute_group);
- if (result)
- eeepc_hwmon_exit();
- return result;
-}
-
-static int __init eeepc_laptop_init(void)
-{
- struct device *dev;
- int result;
-
- if (acpi_disabled)
- return -ENODEV;
- result = acpi_bus_register_driver(&eeepc_hotk_driver);
- if (result < 0)
- return result;
- if (!ehotk) {
- acpi_bus_unregister_driver(&eeepc_hotk_driver);
- return -ENODEV;
- }
- dev = acpi_get_physical_device(ehotk->device->handle);
-
- if (!acpi_video_backlight_support()) {
- result = eeepc_backlight_init(dev);
- if (result)
- goto fail_backlight;
- } else
- printk(EEEPC_INFO "Backlight controlled by ACPI video "
- "driver\n");
-
- result = eeepc_hwmon_init(dev);
- if (result)
- goto fail_hwmon;
- /* Register platform stuff */
- result = platform_driver_register(&platform_driver);
- if (result)
- goto fail_platform_driver;
- platform_device = platform_device_alloc(EEEPC_HOTK_FILE, -1);
- if (!platform_device) {
- result = -ENOMEM;
- goto fail_platform_device1;
- }
- result = platform_device_add(platform_device);
- if (result)
- goto fail_platform_device2;
- result = sysfs_create_group(&platform_device->dev.kobj,
- &platform_attribute_group);
- if (result)
- goto fail_sysfs;
- return 0;
-fail_sysfs:
- platform_device_del(platform_device);
-fail_platform_device2:
- platform_device_put(platform_device);
-fail_platform_device1:
- platform_driver_unregister(&platform_driver);
-fail_platform_driver:
- eeepc_hwmon_exit();
-fail_hwmon:
- eeepc_backlight_exit();
-fail_backlight:
- return result;
-}
-
-module_init(eeepc_laptop_init);
-module_exit(eeepc_laptop_exit);