2010-08-10 22:44:05 +00:00
|
|
|
/*
|
2010-12-13 10:00:48 +00:00
|
|
|
* ideapad-laptop.c - Lenovo IdeaPad ACPI Extras
|
2010-08-10 22:44:05 +00:00
|
|
|
*
|
|
|
|
* Copyright © 2010 Intel Corporation
|
|
|
|
* Copyright © 2010 David Woodhouse <dwmw2@infradead.org>
|
|
|
|
*
|
|
|
|
* 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., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
|
|
* 02110-1301, USA.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <linux/kernel.h>
|
|
|
|
#include <linux/module.h>
|
|
|
|
#include <linux/init.h>
|
|
|
|
#include <linux/types.h>
|
|
|
|
#include <acpi/acpi_bus.h>
|
|
|
|
#include <acpi/acpi_drivers.h>
|
|
|
|
#include <linux/rfkill.h>
|
2010-12-13 10:00:15 +00:00
|
|
|
#include <linux/platform_device.h>
|
2010-12-13 10:00:38 +00:00
|
|
|
#include <linux/input.h>
|
|
|
|
#include <linux/input/sparse-keymap.h>
|
2010-08-10 22:44:05 +00:00
|
|
|
|
|
|
|
#define IDEAPAD_DEV_CAMERA 0
|
|
|
|
#define IDEAPAD_DEV_WLAN 1
|
|
|
|
#define IDEAPAD_DEV_BLUETOOTH 2
|
|
|
|
#define IDEAPAD_DEV_3G 3
|
|
|
|
#define IDEAPAD_DEV_KILLSW 4
|
|
|
|
|
2010-08-11 16:59:35 +00:00
|
|
|
struct ideapad_private {
|
2010-10-01 07:39:40 +00:00
|
|
|
acpi_handle handle;
|
2010-08-11 16:59:35 +00:00
|
|
|
struct rfkill *rfk[5];
|
2010-12-13 10:00:15 +00:00
|
|
|
struct platform_device *platform_device;
|
2010-12-13 10:00:38 +00:00
|
|
|
struct input_dev *inputdev;
|
2010-10-01 07:39:59 +00:00
|
|
|
} *ideapad_priv;
|
2010-08-11 16:59:35 +00:00
|
|
|
|
|
|
|
static struct {
|
|
|
|
char *name;
|
2010-10-01 07:39:29 +00:00
|
|
|
int cfgbit;
|
2010-10-01 07:39:59 +00:00
|
|
|
int opcode;
|
2010-08-11 16:59:35 +00:00
|
|
|
int type;
|
|
|
|
} ideapad_rfk_data[] = {
|
2010-10-01 07:39:59 +00:00
|
|
|
{ "ideapad_camera", 19, 0x1E, NUM_RFKILL_TYPES },
|
|
|
|
{ "ideapad_wlan", 18, 0x15, RFKILL_TYPE_WLAN },
|
|
|
|
{ "ideapad_bluetooth", 16, 0x17, RFKILL_TYPE_BLUETOOTH },
|
|
|
|
{ "ideapad_3g", 17, 0x20, RFKILL_TYPE_WWAN },
|
|
|
|
{ "ideapad_killsw", 0, 0, RFKILL_TYPE_WLAN }
|
2010-08-10 22:44:05 +00:00
|
|
|
};
|
|
|
|
|
2010-10-01 07:40:22 +00:00
|
|
|
static bool no_bt_rfkill;
|
|
|
|
module_param(no_bt_rfkill, bool, 0444);
|
|
|
|
MODULE_PARM_DESC(no_bt_rfkill, "No rfkill for bluetooth.");
|
|
|
|
|
2010-10-01 07:38:46 +00:00
|
|
|
/*
|
|
|
|
* ACPI Helpers
|
|
|
|
*/
|
|
|
|
#define IDEAPAD_EC_TIMEOUT (100) /* in ms */
|
|
|
|
|
|
|
|
static int read_method_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 method_vpcr(acpi_handle handle, int cmd, int *ret)
|
|
|
|
{
|
|
|
|
acpi_status status;
|
|
|
|
unsigned long long result;
|
|
|
|
struct acpi_object_list params;
|
|
|
|
union acpi_object in_obj;
|
|
|
|
|
|
|
|
params.count = 1;
|
|
|
|
params.pointer = &in_obj;
|
|
|
|
in_obj.type = ACPI_TYPE_INTEGER;
|
|
|
|
in_obj.integer.value = cmd;
|
|
|
|
|
|
|
|
status = acpi_evaluate_integer(handle, "VPCR", ¶ms, &result);
|
|
|
|
|
|
|
|
if (ACPI_FAILURE(status)) {
|
|
|
|
*ret = -1;
|
|
|
|
return -1;
|
|
|
|
} else {
|
|
|
|
*ret = result;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static int method_vpcw(acpi_handle handle, int cmd, int data)
|
|
|
|
{
|
|
|
|
struct acpi_object_list params;
|
|
|
|
union acpi_object in_obj[2];
|
|
|
|
acpi_status status;
|
|
|
|
|
|
|
|
params.count = 2;
|
|
|
|
params.pointer = in_obj;
|
|
|
|
in_obj[0].type = ACPI_TYPE_INTEGER;
|
|
|
|
in_obj[0].integer.value = cmd;
|
|
|
|
in_obj[1].type = ACPI_TYPE_INTEGER;
|
|
|
|
in_obj[1].integer.value = data;
|
|
|
|
|
|
|
|
status = acpi_evaluate_object(handle, "VPCW", ¶ms, NULL);
|
|
|
|
if (status != AE_OK)
|
|
|
|
return -1;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int read_ec_data(acpi_handle handle, int cmd, unsigned long *data)
|
|
|
|
{
|
|
|
|
int val;
|
|
|
|
unsigned long int end_jiffies;
|
|
|
|
|
|
|
|
if (method_vpcw(handle, 1, cmd))
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
for (end_jiffies = jiffies+(HZ)*IDEAPAD_EC_TIMEOUT/1000+1;
|
|
|
|
time_before(jiffies, end_jiffies);) {
|
|
|
|
schedule();
|
|
|
|
if (method_vpcr(handle, 1, &val))
|
|
|
|
return -1;
|
|
|
|
if (val == 0) {
|
|
|
|
if (method_vpcr(handle, 0, &val))
|
|
|
|
return -1;
|
|
|
|
*data = val;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
pr_err("timeout in read_ec_cmd\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int write_ec_cmd(acpi_handle handle, int cmd, unsigned long data)
|
|
|
|
{
|
|
|
|
int val;
|
|
|
|
unsigned long int end_jiffies;
|
|
|
|
|
|
|
|
if (method_vpcw(handle, 0, data))
|
|
|
|
return -1;
|
|
|
|
if (method_vpcw(handle, 1, cmd))
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
for (end_jiffies = jiffies+(HZ)*IDEAPAD_EC_TIMEOUT/1000+1;
|
|
|
|
time_before(jiffies, end_jiffies);) {
|
|
|
|
schedule();
|
|
|
|
if (method_vpcr(handle, 1, &val))
|
|
|
|
return -1;
|
|
|
|
if (val == 0)
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
pr_err("timeout in write_ec_cmd\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2010-12-13 10:00:48 +00:00
|
|
|
/*
|
|
|
|
* camera power
|
|
|
|
*/
|
2010-08-10 22:44:05 +00:00
|
|
|
static ssize_t show_ideapad_cam(struct device *dev,
|
|
|
|
struct device_attribute *attr,
|
|
|
|
char *buf)
|
|
|
|
{
|
2010-10-01 07:39:40 +00:00
|
|
|
struct ideapad_private *priv = dev_get_drvdata(dev);
|
|
|
|
acpi_handle handle = priv->handle;
|
|
|
|
unsigned long result;
|
2010-08-10 22:44:05 +00:00
|
|
|
|
2010-10-01 07:39:40 +00:00
|
|
|
if (read_ec_data(handle, 0x1D, &result))
|
|
|
|
return sprintf(buf, "-1\n");
|
|
|
|
return sprintf(buf, "%lu\n", result);
|
2010-08-10 22:44:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t store_ideapad_cam(struct device *dev,
|
|
|
|
struct device_attribute *attr,
|
|
|
|
const char *buf, size_t count)
|
|
|
|
{
|
2010-10-01 07:39:40 +00:00
|
|
|
struct ideapad_private *priv = dev_get_drvdata(dev);
|
|
|
|
acpi_handle handle = priv->handle;
|
2010-08-10 22:44:05 +00:00
|
|
|
int ret, state;
|
|
|
|
|
|
|
|
if (!count)
|
|
|
|
return 0;
|
|
|
|
if (sscanf(buf, "%i", &state) != 1)
|
|
|
|
return -EINVAL;
|
2010-10-01 07:39:40 +00:00
|
|
|
ret = write_ec_cmd(handle, 0x1E, state);
|
2010-08-10 22:44:05 +00:00
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
return count;
|
|
|
|
}
|
|
|
|
|
|
|
|
static DEVICE_ATTR(camera_power, 0644, show_ideapad_cam, store_ideapad_cam);
|
|
|
|
|
2010-12-13 10:00:48 +00:00
|
|
|
/*
|
|
|
|
* Rfkill
|
|
|
|
*/
|
2010-08-10 22:44:05 +00:00
|
|
|
static int ideapad_rfk_set(void *data, bool blocked)
|
|
|
|
{
|
|
|
|
int device = (unsigned long)data;
|
|
|
|
|
|
|
|
if (device == IDEAPAD_DEV_KILLSW)
|
|
|
|
return -EINVAL;
|
2010-10-01 07:39:59 +00:00
|
|
|
|
|
|
|
return write_ec_cmd(ideapad_priv->handle,
|
|
|
|
ideapad_rfk_data[device].opcode,
|
|
|
|
!blocked);
|
2010-08-10 22:44:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static struct rfkill_ops ideapad_rfk_ops = {
|
|
|
|
.set_block = ideapad_rfk_set,
|
|
|
|
};
|
|
|
|
|
2010-08-11 16:59:35 +00:00
|
|
|
static void ideapad_sync_rfk_state(struct acpi_device *adevice)
|
2010-08-10 22:44:05 +00:00
|
|
|
{
|
2010-08-11 16:59:35 +00:00
|
|
|
struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
|
2010-10-01 07:39:49 +00:00
|
|
|
acpi_handle handle = priv->handle;
|
|
|
|
unsigned long hw_blocked;
|
2010-08-10 22:44:05 +00:00
|
|
|
int i;
|
|
|
|
|
2010-10-01 07:39:49 +00:00
|
|
|
if (read_ec_data(handle, 0x23, &hw_blocked))
|
2010-08-10 22:44:05 +00:00
|
|
|
return;
|
2010-10-01 07:39:49 +00:00
|
|
|
hw_blocked = !hw_blocked;
|
2010-08-10 22:44:05 +00:00
|
|
|
|
2010-10-01 07:39:49 +00:00
|
|
|
for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++)
|
2010-08-11 16:59:35 +00:00
|
|
|
if (priv->rfk[i])
|
2010-10-01 07:39:49 +00:00
|
|
|
rfkill_set_hw_state(priv->rfk[i], hw_blocked);
|
2010-08-10 22:44:05 +00:00
|
|
|
}
|
|
|
|
|
2010-12-13 10:00:48 +00:00
|
|
|
static int __devinit ideapad_register_rfkill(struct acpi_device *adevice,
|
|
|
|
int dev)
|
2010-08-10 22:44:05 +00:00
|
|
|
{
|
2010-08-11 16:59:35 +00:00
|
|
|
struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
|
2010-08-10 22:44:05 +00:00
|
|
|
int ret;
|
2010-10-01 07:39:49 +00:00
|
|
|
unsigned long sw_blocked;
|
2010-08-10 22:44:05 +00:00
|
|
|
|
2010-10-01 07:40:22 +00:00
|
|
|
if (no_bt_rfkill &&
|
|
|
|
(ideapad_rfk_data[dev].type == RFKILL_TYPE_BLUETOOTH)) {
|
|
|
|
/* Force to enable bluetooth when no_bt_rfkill=1 */
|
|
|
|
write_ec_cmd(ideapad_priv->handle,
|
|
|
|
ideapad_rfk_data[dev].opcode, 1);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-10-01 07:39:49 +00:00
|
|
|
priv->rfk[dev] = rfkill_alloc(ideapad_rfk_data[dev].name, &adevice->dev,
|
|
|
|
ideapad_rfk_data[dev].type, &ideapad_rfk_ops,
|
2010-08-11 16:59:35 +00:00
|
|
|
(void *)(long)dev);
|
|
|
|
if (!priv->rfk[dev])
|
2010-08-10 22:44:05 +00:00
|
|
|
return -ENOMEM;
|
|
|
|
|
2010-10-01 07:39:49 +00:00
|
|
|
if (read_ec_data(ideapad_priv->handle, ideapad_rfk_data[dev].opcode-1,
|
|
|
|
&sw_blocked)) {
|
|
|
|
rfkill_init_sw_state(priv->rfk[dev], 0);
|
|
|
|
} else {
|
|
|
|
sw_blocked = !sw_blocked;
|
|
|
|
rfkill_init_sw_state(priv->rfk[dev], sw_blocked);
|
|
|
|
}
|
|
|
|
|
2010-08-11 16:59:35 +00:00
|
|
|
ret = rfkill_register(priv->rfk[dev]);
|
2010-08-10 22:44:05 +00:00
|
|
|
if (ret) {
|
2010-08-11 16:59:35 +00:00
|
|
|
rfkill_destroy(priv->rfk[dev]);
|
2010-08-10 22:44:05 +00:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-12-13 10:00:48 +00:00
|
|
|
static void __devexit ideapad_unregister_rfkill(struct acpi_device *adevice,
|
|
|
|
int dev)
|
2010-08-10 22:44:05 +00:00
|
|
|
{
|
2010-08-11 16:59:35 +00:00
|
|
|
struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
|
|
|
|
|
|
|
|
if (!priv->rfk[dev])
|
2010-08-10 22:44:05 +00:00
|
|
|
return;
|
|
|
|
|
2010-08-11 16:59:35 +00:00
|
|
|
rfkill_unregister(priv->rfk[dev]);
|
|
|
|
rfkill_destroy(priv->rfk[dev]);
|
2010-08-10 22:44:05 +00:00
|
|
|
}
|
|
|
|
|
2010-12-13 10:00:15 +00:00
|
|
|
/*
|
|
|
|
* Platform device
|
|
|
|
*/
|
2010-12-13 10:00:27 +00:00
|
|
|
static struct attribute *ideapad_attributes[] = {
|
|
|
|
&dev_attr_camera_power.attr,
|
|
|
|
NULL
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct attribute_group ideapad_attribute_group = {
|
|
|
|
.attrs = ideapad_attributes
|
|
|
|
};
|
|
|
|
|
2010-12-13 10:01:01 +00:00
|
|
|
static int __devinit ideapad_platform_init(struct ideapad_private *priv)
|
2010-12-13 10:00:15 +00:00
|
|
|
{
|
|
|
|
int result;
|
|
|
|
|
2010-12-13 10:01:01 +00:00
|
|
|
priv->platform_device = platform_device_alloc("ideapad", -1);
|
|
|
|
if (!priv->platform_device)
|
2010-12-13 10:00:15 +00:00
|
|
|
return -ENOMEM;
|
2010-12-13 10:01:01 +00:00
|
|
|
platform_set_drvdata(priv->platform_device, priv);
|
2010-12-13 10:00:15 +00:00
|
|
|
|
2010-12-13 10:01:01 +00:00
|
|
|
result = platform_device_add(priv->platform_device);
|
2010-12-13 10:00:15 +00:00
|
|
|
if (result)
|
|
|
|
goto fail_platform_device;
|
|
|
|
|
2010-12-13 10:01:01 +00:00
|
|
|
result = sysfs_create_group(&priv->platform_device->dev.kobj,
|
2010-12-13 10:00:27 +00:00
|
|
|
&ideapad_attribute_group);
|
|
|
|
if (result)
|
|
|
|
goto fail_sysfs;
|
2010-12-13 10:00:15 +00:00
|
|
|
return 0;
|
|
|
|
|
2010-12-13 10:00:27 +00:00
|
|
|
fail_sysfs:
|
2010-12-13 10:01:01 +00:00
|
|
|
platform_device_del(priv->platform_device);
|
2010-12-13 10:00:15 +00:00
|
|
|
fail_platform_device:
|
2010-12-13 10:01:01 +00:00
|
|
|
platform_device_put(priv->platform_device);
|
2010-12-13 10:00:15 +00:00
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
2010-12-13 10:01:01 +00:00
|
|
|
static void ideapad_platform_exit(struct ideapad_private *priv)
|
2010-12-13 10:00:15 +00:00
|
|
|
{
|
2010-12-13 10:01:01 +00:00
|
|
|
sysfs_remove_group(&priv->platform_device->dev.kobj,
|
2010-12-13 10:00:27 +00:00
|
|
|
&ideapad_attribute_group);
|
2010-12-13 10:01:01 +00:00
|
|
|
platform_device_unregister(priv->platform_device);
|
2010-12-13 10:00:15 +00:00
|
|
|
}
|
|
|
|
|
2010-12-13 10:00:38 +00:00
|
|
|
/*
|
|
|
|
* input device
|
|
|
|
*/
|
|
|
|
static const struct key_entry ideapad_keymap[] = {
|
|
|
|
{ KE_KEY, 0x06, { KEY_SWITCHVIDEOMODE } },
|
|
|
|
{ KE_KEY, 0x0D, { KEY_WLAN } },
|
|
|
|
{ KE_END, 0 },
|
|
|
|
};
|
|
|
|
|
2010-12-13 10:01:01 +00:00
|
|
|
static int __devinit ideapad_input_init(struct ideapad_private *priv)
|
2010-12-13 10:00:38 +00:00
|
|
|
{
|
|
|
|
struct input_dev *inputdev;
|
|
|
|
int error;
|
|
|
|
|
|
|
|
inputdev = input_allocate_device();
|
|
|
|
if (!inputdev) {
|
|
|
|
pr_info("Unable to allocate input device\n");
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
|
|
|
inputdev->name = "Ideapad extra buttons";
|
|
|
|
inputdev->phys = "ideapad/input0";
|
|
|
|
inputdev->id.bustype = BUS_HOST;
|
2010-12-13 10:01:01 +00:00
|
|
|
inputdev->dev.parent = &priv->platform_device->dev;
|
2010-12-13 10:00:38 +00:00
|
|
|
|
|
|
|
error = sparse_keymap_setup(inputdev, ideapad_keymap, NULL);
|
|
|
|
if (error) {
|
|
|
|
pr_err("Unable to setup input device keymap\n");
|
|
|
|
goto err_free_dev;
|
|
|
|
}
|
|
|
|
|
|
|
|
error = input_register_device(inputdev);
|
|
|
|
if (error) {
|
|
|
|
pr_err("Unable to register input device\n");
|
|
|
|
goto err_free_keymap;
|
|
|
|
}
|
|
|
|
|
2010-12-13 10:01:01 +00:00
|
|
|
priv->inputdev = inputdev;
|
2010-12-13 10:00:38 +00:00
|
|
|
return 0;
|
|
|
|
|
|
|
|
err_free_keymap:
|
|
|
|
sparse_keymap_free(inputdev);
|
|
|
|
err_free_dev:
|
|
|
|
input_free_device(inputdev);
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
2010-12-13 10:01:01 +00:00
|
|
|
static void __devexit ideapad_input_exit(struct ideapad_private *priv)
|
2010-12-13 10:00:38 +00:00
|
|
|
{
|
2010-12-13 10:01:01 +00:00
|
|
|
sparse_keymap_free(priv->inputdev);
|
|
|
|
input_unregister_device(priv->inputdev);
|
|
|
|
priv->inputdev = NULL;
|
2010-12-13 10:00:38 +00:00
|
|
|
}
|
|
|
|
|
2010-12-13 10:01:01 +00:00
|
|
|
static void ideapad_input_report(struct ideapad_private *priv,
|
|
|
|
unsigned long scancode)
|
2010-12-13 10:00:38 +00:00
|
|
|
{
|
2010-12-13 10:01:01 +00:00
|
|
|
sparse_keymap_report_event(priv->inputdev, scancode, 1, true);
|
2010-12-13 10:00:38 +00:00
|
|
|
}
|
|
|
|
|
2010-12-13 10:00:48 +00:00
|
|
|
/*
|
|
|
|
* module init/exit
|
|
|
|
*/
|
2010-08-10 22:44:05 +00:00
|
|
|
static const struct acpi_device_id ideapad_device_ids[] = {
|
|
|
|
{ "VPC2004", 0},
|
|
|
|
{ "", 0},
|
|
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(acpi, ideapad_device_ids);
|
|
|
|
|
2010-12-13 10:00:48 +00:00
|
|
|
static int __devinit ideapad_acpi_add(struct acpi_device *adevice)
|
2010-08-10 22:44:05 +00:00
|
|
|
{
|
2010-12-13 10:00:15 +00:00
|
|
|
int ret, i, cfg;
|
2010-08-11 16:59:35 +00:00
|
|
|
struct ideapad_private *priv;
|
2010-08-10 22:44:05 +00:00
|
|
|
|
2010-10-01 07:39:14 +00:00
|
|
|
if (read_method_int(adevice->handle, "_CFG", &cfg))
|
|
|
|
return -ENODEV;
|
|
|
|
|
2010-08-11 16:59:35 +00:00
|
|
|
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
|
|
|
|
if (!priv)
|
|
|
|
return -ENOMEM;
|
2010-12-13 10:00:15 +00:00
|
|
|
ideapad_priv = priv;
|
2010-12-13 10:00:27 +00:00
|
|
|
priv->handle = adevice->handle;
|
|
|
|
dev_set_drvdata(&adevice->dev, priv);
|
2010-12-13 10:00:15 +00:00
|
|
|
|
2010-12-13 10:01:01 +00:00
|
|
|
ret = ideapad_platform_init(priv);
|
2010-12-13 10:00:15 +00:00
|
|
|
if (ret)
|
|
|
|
goto platform_failed;
|
2010-08-11 16:59:35 +00:00
|
|
|
|
2010-12-13 10:01:01 +00:00
|
|
|
ret = ideapad_input_init(priv);
|
2010-12-13 10:00:38 +00:00
|
|
|
if (ret)
|
|
|
|
goto input_failed;
|
|
|
|
|
2010-12-13 10:00:27 +00:00
|
|
|
for (i = IDEAPAD_DEV_WLAN; i < IDEAPAD_DEV_KILLSW; i++) {
|
|
|
|
if (test_bit(ideapad_rfk_data[i].cfgbit, (unsigned long *)&cfg))
|
|
|
|
ideapad_register_rfkill(adevice, i);
|
2010-08-10 22:44:05 +00:00
|
|
|
}
|
2010-08-11 16:59:35 +00:00
|
|
|
ideapad_sync_rfk_state(adevice);
|
2010-12-13 10:00:27 +00:00
|
|
|
|
2010-08-10 22:44:05 +00:00
|
|
|
return 0;
|
2010-12-13 10:00:15 +00:00
|
|
|
|
2010-12-13 10:00:38 +00:00
|
|
|
input_failed:
|
2010-12-13 10:01:01 +00:00
|
|
|
ideapad_platform_exit(priv);
|
2010-12-13 10:00:15 +00:00
|
|
|
platform_failed:
|
|
|
|
kfree(priv);
|
|
|
|
return ret;
|
2010-08-10 22:44:05 +00:00
|
|
|
}
|
|
|
|
|
2010-12-13 10:00:48 +00:00
|
|
|
static int __devexit ideapad_acpi_remove(struct acpi_device *adevice, int type)
|
2010-08-10 22:44:05 +00:00
|
|
|
{
|
2010-08-11 16:59:35 +00:00
|
|
|
struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
|
2010-08-10 22:44:05 +00:00
|
|
|
int i;
|
2010-08-11 16:59:35 +00:00
|
|
|
|
2010-12-13 10:00:27 +00:00
|
|
|
for (i = IDEAPAD_DEV_WLAN; i < IDEAPAD_DEV_KILLSW; i++)
|
2010-08-11 16:59:35 +00:00
|
|
|
ideapad_unregister_rfkill(adevice, i);
|
2010-12-13 10:01:01 +00:00
|
|
|
ideapad_input_exit(priv);
|
|
|
|
ideapad_platform_exit(priv);
|
2010-08-11 16:59:35 +00:00
|
|
|
dev_set_drvdata(&adevice->dev, NULL);
|
|
|
|
kfree(priv);
|
2010-12-13 10:00:27 +00:00
|
|
|
|
2010-08-10 22:44:05 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-08-11 16:59:35 +00:00
|
|
|
static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event)
|
2010-08-10 22:44:05 +00:00
|
|
|
{
|
2010-12-13 10:01:01 +00:00
|
|
|
struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
|
2010-10-01 07:39:05 +00:00
|
|
|
acpi_handle handle = adevice->handle;
|
|
|
|
unsigned long vpc1, vpc2, vpc_bit;
|
|
|
|
|
|
|
|
if (read_ec_data(handle, 0x10, &vpc1))
|
|
|
|
return;
|
|
|
|
if (read_ec_data(handle, 0x1A, &vpc2))
|
|
|
|
return;
|
|
|
|
|
|
|
|
vpc1 = (vpc2 << 8) | vpc1;
|
|
|
|
for (vpc_bit = 0; vpc_bit < 16; vpc_bit++) {
|
|
|
|
if (test_bit(vpc_bit, &vpc1)) {
|
|
|
|
if (vpc_bit == 9)
|
|
|
|
ideapad_sync_rfk_state(adevice);
|
2010-12-13 10:00:38 +00:00
|
|
|
else
|
2010-12-13 10:01:01 +00:00
|
|
|
ideapad_input_report(priv, vpc_bit);
|
2010-10-01 07:39:05 +00:00
|
|
|
}
|
|
|
|
}
|
2010-08-10 22:44:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static struct acpi_driver ideapad_acpi_driver = {
|
|
|
|
.name = "ideapad_acpi",
|
|
|
|
.class = "IdeaPad",
|
|
|
|
.ids = ideapad_device_ids,
|
|
|
|
.ops.add = ideapad_acpi_add,
|
|
|
|
.ops.remove = ideapad_acpi_remove,
|
|
|
|
.ops.notify = ideapad_acpi_notify,
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
};
|
|
|
|
|
|
|
|
static int __init ideapad_acpi_module_init(void)
|
|
|
|
{
|
2010-12-13 10:00:48 +00:00
|
|
|
return acpi_bus_register_driver(&ideapad_acpi_driver);
|
2010-08-10 22:44:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void __exit ideapad_acpi_module_exit(void)
|
|
|
|
{
|
|
|
|
acpi_bus_unregister_driver(&ideapad_acpi_driver);
|
|
|
|
}
|
|
|
|
|
|
|
|
MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>");
|
|
|
|
MODULE_DESCRIPTION("IdeaPad ACPI Extras");
|
|
|
|
MODULE_LICENSE("GPL");
|
|
|
|
|
|
|
|
module_init(ideapad_acpi_module_init);
|
|
|
|
module_exit(ideapad_acpi_module_exit);
|