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authorLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2009-01-14 16:29:08 +1100
committerLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2009-01-14 16:29:08 +1100
commitc088f4e9da74b901f7ed1749ad697d77622ed0f9 (patch)
tree84cddf20369f82f10c1c3712e6cce20dd1b9d863 /drivers/misc/hp-wmi.c
parentce79735c12d62c3cda38eb31762cf98e87c7b087 (diff)
parenta6525042bfdfcab128bd91fad264de10fd24a55e (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/misc/hp-wmi.c')
-rw-r--r--drivers/misc/hp-wmi.c512
1 files changed, 0 insertions, 512 deletions
diff --git a/drivers/misc/hp-wmi.c b/drivers/misc/hp-wmi.c
deleted file mode 100644
index 4b7c24c519c..00000000000
--- a/drivers/misc/hp-wmi.c
+++ /dev/null
@@ -1,512 +0,0 @@
-/*
- * HP WMI hotkeys
- *
- * Copyright (C) 2008 Red Hat <mjg@redhat.com>
- *
- * Portions based on wistron_btns.c:
- * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
- * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
- * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
- *
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/input.h>
-#include <acpi/acpi_drivers.h>
-#include <linux/platform_device.h>
-#include <linux/acpi.h>
-#include <linux/rfkill.h>
-#include <linux/string.h>
-
-MODULE_AUTHOR("Matthew Garrett <mjg59@srcf.ucam.org>");
-MODULE_DESCRIPTION("HP laptop WMI hotkeys driver");
-MODULE_LICENSE("GPL");
-
-MODULE_ALIAS("wmi:95F24279-4D7B-4334-9387-ACCDC67EF61C");
-MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4");
-
-#define HPWMI_EVENT_GUID "95F24279-4D7B-4334-9387-ACCDC67EF61C"
-#define HPWMI_BIOS_GUID "5FB7F034-2C63-45e9-BE91-3D44E2C707E4"
-
-#define HPWMI_DISPLAY_QUERY 0x1
-#define HPWMI_HDDTEMP_QUERY 0x2
-#define HPWMI_ALS_QUERY 0x3
-#define HPWMI_DOCK_QUERY 0x4
-#define HPWMI_WIRELESS_QUERY 0x5
-#define HPWMI_HOTKEY_QUERY 0xc
-
-static int __init hp_wmi_bios_setup(struct platform_device *device);
-static int __exit hp_wmi_bios_remove(struct platform_device *device);
-
-struct bios_args {
- u32 signature;
- u32 command;
- u32 commandtype;
- u32 datasize;
- u32 data;
-};
-
-struct bios_return {
- u32 sigpass;
- u32 return_code;
- u32 value;
-};
-
-struct key_entry {
- char type; /* See KE_* below */
- u16 code;
- u16 keycode;
-};
-
-enum { KE_KEY, KE_SW, KE_END };
-
-static struct key_entry hp_wmi_keymap[] = {
- {KE_SW, 0x01, SW_DOCK},
- {KE_KEY, 0x02, KEY_BRIGHTNESSUP},
- {KE_KEY, 0x03, KEY_BRIGHTNESSDOWN},
- {KE_KEY, 0x20e6, KEY_PROG1},
- {KE_KEY, 0x2142, KEY_MEDIA},
- {KE_KEY, 0x213b, KEY_INFO},
- {KE_KEY, 0x231b, KEY_HELP},
- {KE_END, 0}
-};
-
-static struct input_dev *hp_wmi_input_dev;
-static struct platform_device *hp_wmi_platform_dev;
-
-static struct rfkill *wifi_rfkill;
-static struct rfkill *bluetooth_rfkill;
-static struct rfkill *wwan_rfkill;
-
-static struct platform_driver hp_wmi_driver = {
- .driver = {
- .name = "hp-wmi",
- .owner = THIS_MODULE,
- },
- .probe = hp_wmi_bios_setup,
- .remove = hp_wmi_bios_remove,
-};
-
-static int hp_wmi_perform_query(int query, int write, int value)
-{
- struct bios_return bios_return;
- acpi_status status;
- union acpi_object *obj;
- struct bios_args args = {
- .signature = 0x55434553,
- .command = write ? 0x2 : 0x1,
- .commandtype = query,
- .datasize = write ? 0x4 : 0,
- .data = value,
- };
- struct acpi_buffer input = { sizeof(struct bios_args), &args };
- struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
-
- status = wmi_evaluate_method(HPWMI_BIOS_GUID, 0, 0x3, &input, &output);
-
- obj = output.pointer;
-
- if (!obj || obj->type != ACPI_TYPE_BUFFER)
- return -EINVAL;
-
- bios_return = *((struct bios_return *)obj->buffer.pointer);
- if (bios_return.return_code > 0)
- return bios_return.return_code * -1;
- else
- return bios_return.value;
-}
-
-static int hp_wmi_display_state(void)
-{
- return hp_wmi_perform_query(HPWMI_DISPLAY_QUERY, 0, 0);
-}
-
-static int hp_wmi_hddtemp_state(void)
-{
- return hp_wmi_perform_query(HPWMI_HDDTEMP_QUERY, 0, 0);
-}
-
-static int hp_wmi_als_state(void)
-{
- return hp_wmi_perform_query(HPWMI_ALS_QUERY, 0, 0);
-}
-
-static int hp_wmi_dock_state(void)
-{
- return hp_wmi_perform_query(HPWMI_DOCK_QUERY, 0, 0);
-}
-
-static int hp_wmi_wifi_set(void *data, enum rfkill_state state)
-{
- if (state)
- return hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, 0x101);
- else
- return hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, 0x100);
-}
-
-static int hp_wmi_bluetooth_set(void *data, enum rfkill_state state)
-{
- if (state)
- return hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, 0x202);
- else
- return hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, 0x200);
-}
-
-static int hp_wmi_wwan_set(void *data, enum rfkill_state state)
-{
- if (state)
- return hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, 0x404);
- else
- return hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, 0x400);
-}
-
-static int hp_wmi_wifi_state(void)
-{
- int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0);
-
- if (wireless & 0x100)
- return RFKILL_STATE_UNBLOCKED;
- else
- return RFKILL_STATE_SOFT_BLOCKED;
-}
-
-static int hp_wmi_bluetooth_state(void)
-{
- int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0);
-
- if (wireless & 0x10000)
- return RFKILL_STATE_UNBLOCKED;
- else
- return RFKILL_STATE_SOFT_BLOCKED;
-}
-
-static int hp_wmi_wwan_state(void)
-{
- int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0);
-
- if (wireless & 0x1000000)
- return RFKILL_STATE_UNBLOCKED;
- else
- return RFKILL_STATE_SOFT_BLOCKED;
-}
-
-static ssize_t show_display(struct device *dev, struct device_attribute *attr,
- char *buf)
-{
- int value = hp_wmi_display_state();
- if (value < 0)
- return -EINVAL;
- return sprintf(buf, "%d\n", value);
-}
-
-static ssize_t show_hddtemp(struct device *dev, struct device_attribute *attr,
- char *buf)
-{
- int value = hp_wmi_hddtemp_state();
- if (value < 0)
- return -EINVAL;
- return sprintf(buf, "%d\n", value);
-}
-
-static ssize_t show_als(struct device *dev, struct device_attribute *attr,
- char *buf)
-{
- int value = hp_wmi_als_state();
- if (value < 0)
- return -EINVAL;
- return sprintf(buf, "%d\n", value);
-}
-
-static ssize_t show_dock(struct device *dev, struct device_attribute *attr,
- char *buf)
-{
- int value = hp_wmi_dock_state();
- if (value < 0)
- return -EINVAL;
- return sprintf(buf, "%d\n", value);
-}
-
-static ssize_t set_als(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
-{
- u32 tmp = simple_strtoul(buf, NULL, 10);
- hp_wmi_perform_query(HPWMI_ALS_QUERY, 1, tmp);
- return count;
-}
-
-static DEVICE_ATTR(display, S_IRUGO, show_display, NULL);
-static DEVICE_ATTR(hddtemp, S_IRUGO, show_hddtemp, NULL);
-static DEVICE_ATTR(als, S_IRUGO | S_IWUSR, show_als, set_als);
-static DEVICE_ATTR(dock, S_IRUGO, show_dock, NULL);
-
-static struct key_entry *hp_wmi_get_entry_by_scancode(int code)
-{
- struct key_entry *key;
-
- for (key = hp_wmi_keymap; key->type != KE_END; key++)
- if (code == key->code)
- return key;
-
- return NULL;
-}
-
-static struct key_entry *hp_wmi_get_entry_by_keycode(int keycode)
-{
- struct key_entry *key;
-
- for (key = hp_wmi_keymap; key->type != KE_END; key++)
- if (key->type == KE_KEY && keycode == key->keycode)
- return key;
-
- return NULL;
-}
-
-static int hp_wmi_getkeycode(struct input_dev *dev, int scancode, int *keycode)
-{
- struct key_entry *key = hp_wmi_get_entry_by_scancode(scancode);
-
- if (key && key->type == KE_KEY) {
- *keycode = key->keycode;
- return 0;
- }
-
- return -EINVAL;
-}
-
-static int hp_wmi_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 = hp_wmi_get_entry_by_scancode(scancode);
- if (key && key->type == KE_KEY) {
- old_keycode = key->keycode;
- key->keycode = keycode;
- set_bit(keycode, dev->keybit);
- if (!hp_wmi_get_entry_by_keycode(old_keycode))
- clear_bit(old_keycode, dev->keybit);
- return 0;
- }
-
- return -EINVAL;
-}
-
-static void hp_wmi_notify(u32 value, void *context)
-{
- struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
- static struct key_entry *key;
- union acpi_object *obj;
-
- wmi_get_event_data(value, &response);
-
- obj = (union acpi_object *)response.pointer;
-
- if (obj && obj->type == ACPI_TYPE_BUFFER && obj->buffer.length == 8) {
- int eventcode = *((u8 *) obj->buffer.pointer);
- if (eventcode == 0x4)
- eventcode = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0,
- 0);
- key = hp_wmi_get_entry_by_scancode(eventcode);
- if (key) {
- switch (key->type) {
- case KE_KEY:
- input_report_key(hp_wmi_input_dev,
- key->keycode, 1);
- input_sync(hp_wmi_input_dev);
- input_report_key(hp_wmi_input_dev,
- key->keycode, 0);
- input_sync(hp_wmi_input_dev);
- break;
- case KE_SW:
- input_report_switch(hp_wmi_input_dev,
- key->keycode,
- hp_wmi_dock_state());
- input_sync(hp_wmi_input_dev);
- break;
- }
- } else if (eventcode == 0x5) {
- if (wifi_rfkill)
- rfkill_force_state(wifi_rfkill,
- hp_wmi_wifi_state());
- if (bluetooth_rfkill)
- rfkill_force_state(bluetooth_rfkill,
- hp_wmi_bluetooth_state());
- if (wwan_rfkill)
- rfkill_force_state(wwan_rfkill,
- hp_wmi_wwan_state());
- } else
- printk(KERN_INFO "HP WMI: Unknown key pressed - %x\n",
- eventcode);
- } else
- printk(KERN_INFO "HP WMI: Unknown response received\n");
-}
-
-static int __init hp_wmi_input_setup(void)
-{
- struct key_entry *key;
- int err;
-
- hp_wmi_input_dev = input_allocate_device();
-
- hp_wmi_input_dev->name = "HP WMI hotkeys";
- hp_wmi_input_dev->phys = "wmi/input0";
- hp_wmi_input_dev->id.bustype = BUS_HOST;
- hp_wmi_input_dev->getkeycode = hp_wmi_getkeycode;
- hp_wmi_input_dev->setkeycode = hp_wmi_setkeycode;
-
- for (key = hp_wmi_keymap; key->type != KE_END; key++) {
- switch (key->type) {
- case KE_KEY:
- set_bit(EV_KEY, hp_wmi_input_dev->evbit);
- set_bit(key->keycode, hp_wmi_input_dev->keybit);
- break;
- case KE_SW:
- set_bit(EV_SW, hp_wmi_input_dev->evbit);
- set_bit(key->keycode, hp_wmi_input_dev->swbit);
- break;
- }
- }
-
- err = input_register_device(hp_wmi_input_dev);
-
- if (err) {
- input_free_device(hp_wmi_input_dev);
- return err;
- }
-
- return 0;
-}
-
-static void cleanup_sysfs(struct platform_device *device)
-{
- device_remove_file(&device->dev, &dev_attr_display);
- device_remove_file(&device->dev, &dev_attr_hddtemp);
- device_remove_file(&device->dev, &dev_attr_als);
- device_remove_file(&device->dev, &dev_attr_dock);
-}
-
-static int __init hp_wmi_bios_setup(struct platform_device *device)
-{
- int err;
- int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0);
-
- err = device_create_file(&device->dev, &dev_attr_display);
- if (err)
- goto add_sysfs_error;
- err = device_create_file(&device->dev, &dev_attr_hddtemp);
- if (err)
- goto add_sysfs_error;
- err = device_create_file(&device->dev, &dev_attr_als);
- if (err)
- goto add_sysfs_error;
- err = device_create_file(&device->dev, &dev_attr_dock);
- if (err)
- goto add_sysfs_error;
-
- if (wireless & 0x1) {
- wifi_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WLAN);
- wifi_rfkill->name = "hp-wifi";
- wifi_rfkill->state = hp_wmi_wifi_state();
- wifi_rfkill->toggle_radio = hp_wmi_wifi_set;
- wifi_rfkill->user_claim_unsupported = 1;
- rfkill_register(wifi_rfkill);
- }
-
- if (wireless & 0x2) {
- bluetooth_rfkill = rfkill_allocate(&device->dev,
- RFKILL_TYPE_BLUETOOTH);
- bluetooth_rfkill->name = "hp-bluetooth";
- bluetooth_rfkill->state = hp_wmi_bluetooth_state();
- bluetooth_rfkill->toggle_radio = hp_wmi_bluetooth_set;
- bluetooth_rfkill->user_claim_unsupported = 1;
- rfkill_register(bluetooth_rfkill);
- }
-
- if (wireless & 0x4) {
- wwan_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WWAN);
- wwan_rfkill->name = "hp-wwan";
- wwan_rfkill->state = hp_wmi_wwan_state();
- wwan_rfkill->toggle_radio = hp_wmi_wwan_set;
- wwan_rfkill->user_claim_unsupported = 1;
- rfkill_register(wwan_rfkill);
- }
-
- return 0;
-add_sysfs_error:
- cleanup_sysfs(device);
- return err;
-}
-
-static int __exit hp_wmi_bios_remove(struct platform_device *device)
-{
- cleanup_sysfs(device);
-
- if (wifi_rfkill)
- rfkill_unregister(wifi_rfkill);
- if (bluetooth_rfkill)
- rfkill_unregister(bluetooth_rfkill);
- if (wwan_rfkill)
- rfkill_unregister(wwan_rfkill);
-
- return 0;
-}
-
-static int __init hp_wmi_init(void)
-{
- int err;
-
- if (wmi_has_guid(HPWMI_EVENT_GUID)) {
- err = wmi_install_notify_handler(HPWMI_EVENT_GUID,
- hp_wmi_notify, NULL);
- if (!err)
- hp_wmi_input_setup();
- }
-
- if (wmi_has_guid(HPWMI_BIOS_GUID)) {
- err = platform_driver_register(&hp_wmi_driver);
- if (err)
- return 0;
- hp_wmi_platform_dev = platform_device_alloc("hp-wmi", -1);
- if (!hp_wmi_platform_dev) {
- platform_driver_unregister(&hp_wmi_driver);
- return 0;
- }
- platform_device_add(hp_wmi_platform_dev);
- }
-
- return 0;
-}
-
-static void __exit hp_wmi_exit(void)
-{
- if (wmi_has_guid(HPWMI_EVENT_GUID)) {
- wmi_remove_notify_handler(HPWMI_EVENT_GUID);
- input_unregister_device(hp_wmi_input_dev);
- }
- if (hp_wmi_platform_dev) {
- platform_device_del(hp_wmi_platform_dev);
- platform_driver_unregister(&hp_wmi_driver);
- }
-}
-
-module_init(hp_wmi_init);
-module_exit(hp_wmi_exit);