/*
- * ideapad_acpi.c - Lenovo IdeaPad ACPI Extras
+ * ideapad-laptop.c - Lenovo IdeaPad ACPI Extras
*
* Copyright © 2010 Intel Corporation
* Copyright © 2010 David Woodhouse <dwmw2@infradead.org>
#include <linux/input.h>
#include <linux/input/sparse-keymap.h>
-#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
+#define IDEAPAD_RFKILL_DEV_NUM (3)
struct ideapad_private {
- acpi_handle handle;
- struct rfkill *rfk[5];
+ struct rfkill *rfk[IDEAPAD_RFKILL_DEV_NUM];
struct platform_device *platform_device;
struct input_dev *inputdev;
-} *ideapad_priv;
-
-static struct {
- char *name;
- int cfgbit;
- int opcode;
- int type;
-} ideapad_rfk_data[] = {
- { "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 }
};
+static acpi_handle ideapad_handle;
static bool no_bt_rfkill;
module_param(no_bt_rfkill, bool, 0444);
MODULE_PARM_DESC(no_bt_rfkill, "No rfkill for bluetooth.");
pr_err("timeout in write_ec_cmd\n");
return -1;
}
-/* the above is ACPI helpers */
+/*
+ * camera power
+ */
static ssize_t show_ideapad_cam(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct ideapad_private *priv = dev_get_drvdata(dev);
- acpi_handle handle = priv->handle;
unsigned long result;
- if (read_ec_data(handle, 0x1D, &result))
+ if (read_ec_data(ideapad_handle, 0x1D, &result))
return sprintf(buf, "-1\n");
return sprintf(buf, "%lu\n", result);
}
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct ideapad_private *priv = dev_get_drvdata(dev);
- acpi_handle handle = priv->handle;
int ret, state;
if (!count)
return 0;
if (sscanf(buf, "%i", &state) != 1)
return -EINVAL;
- ret = write_ec_cmd(handle, 0x1E, state);
+ ret = write_ec_cmd(ideapad_handle, 0x1E, state);
if (ret < 0)
return ret;
return count;
static DEVICE_ATTR(camera_power, 0644, show_ideapad_cam, store_ideapad_cam);
+/*
+ * Rfkill
+ */
+struct ideapad_rfk_data {
+ char *name;
+ int cfgbit;
+ int opcode;
+ int type;
+};
+
+const struct ideapad_rfk_data ideapad_rfk_data[] = {
+ { "ideapad_wlan", 18, 0x15, RFKILL_TYPE_WLAN },
+ { "ideapad_bluetooth", 16, 0x17, RFKILL_TYPE_BLUETOOTH },
+ { "ideapad_3g", 17, 0x20, RFKILL_TYPE_WWAN },
+};
+
static int ideapad_rfk_set(void *data, bool blocked)
{
- int device = (unsigned long)data;
-
- if (device == IDEAPAD_DEV_KILLSW)
- return -EINVAL;
+ unsigned long opcode = (unsigned long)data;
- return write_ec_cmd(ideapad_priv->handle,
- ideapad_rfk_data[device].opcode,
- !blocked);
+ return write_ec_cmd(ideapad_handle, opcode, !blocked);
}
static struct rfkill_ops ideapad_rfk_ops = {
static void ideapad_sync_rfk_state(struct acpi_device *adevice)
{
struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
- acpi_handle handle = priv->handle;
unsigned long hw_blocked;
int i;
- if (read_ec_data(handle, 0x23, &hw_blocked))
+ if (read_ec_data(ideapad_handle, 0x23, &hw_blocked))
return;
hw_blocked = !hw_blocked;
- for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++)
+ for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++)
if (priv->rfk[i])
rfkill_set_hw_state(priv->rfk[i], hw_blocked);
}
-static int ideapad_register_rfkill(struct acpi_device *adevice, int dev)
+static int __devinit ideapad_register_rfkill(struct acpi_device *adevice,
+ int dev)
{
struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
int ret;
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,
+ write_ec_cmd(ideapad_handle,
ideapad_rfk_data[dev].opcode, 1);
return 0;
}
if (!priv->rfk[dev])
return -ENOMEM;
- if (read_ec_data(ideapad_priv->handle, ideapad_rfk_data[dev].opcode-1,
+ if (read_ec_data(ideapad_handle, ideapad_rfk_data[dev].opcode-1,
&sw_blocked)) {
rfkill_init_sw_state(priv->rfk[dev], 0);
} else {
return 0;
}
-static void ideapad_unregister_rfkill(struct acpi_device *adevice, int dev)
+static void __devexit ideapad_unregister_rfkill(struct acpi_device *adevice,
+ int dev)
{
struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
.attrs = ideapad_attributes
};
-static int __devinit ideapad_platform_init(void)
+static int __devinit ideapad_platform_init(struct ideapad_private *priv)
{
int result;
- ideapad_priv->platform_device = platform_device_alloc("ideapad", -1);
- if (!ideapad_priv->platform_device)
+ priv->platform_device = platform_device_alloc("ideapad", -1);
+ if (!priv->platform_device)
return -ENOMEM;
- platform_set_drvdata(ideapad_priv->platform_device, ideapad_priv);
+ platform_set_drvdata(priv->platform_device, priv);
- result = platform_device_add(ideapad_priv->platform_device);
+ result = platform_device_add(priv->platform_device);
if (result)
goto fail_platform_device;
- result = sysfs_create_group(&ideapad_priv->platform_device->dev.kobj,
+ result = sysfs_create_group(&priv->platform_device->dev.kobj,
&ideapad_attribute_group);
if (result)
goto fail_sysfs;
return 0;
fail_sysfs:
- platform_device_del(ideapad_priv->platform_device);
+ platform_device_del(priv->platform_device);
fail_platform_device:
- platform_device_put(ideapad_priv->platform_device);
+ platform_device_put(priv->platform_device);
return result;
}
-static void ideapad_platform_exit(void)
+static void ideapad_platform_exit(struct ideapad_private *priv)
{
- sysfs_remove_group(&ideapad_priv->platform_device->dev.kobj,
+ sysfs_remove_group(&priv->platform_device->dev.kobj,
&ideapad_attribute_group);
- platform_device_unregister(ideapad_priv->platform_device);
+ platform_device_unregister(priv->platform_device);
}
-/* the above is platform device */
/*
* input device
{ KE_END, 0 },
};
-static int __devinit ideapad_input_init(void)
+static int __devinit ideapad_input_init(struct ideapad_private *priv)
{
struct input_dev *inputdev;
int error;
inputdev->name = "Ideapad extra buttons";
inputdev->phys = "ideapad/input0";
inputdev->id.bustype = BUS_HOST;
- inputdev->dev.parent = &ideapad_priv->platform_device->dev;
+ inputdev->dev.parent = &priv->platform_device->dev;
error = sparse_keymap_setup(inputdev, ideapad_keymap, NULL);
if (error) {
goto err_free_keymap;
}
- ideapad_priv->inputdev = inputdev;
+ priv->inputdev = inputdev;
return 0;
err_free_keymap:
return error;
}
-static void __devexit ideapad_input_exit(void)
+static void __devexit ideapad_input_exit(struct ideapad_private *priv)
{
- sparse_keymap_free(ideapad_priv->inputdev);
- input_unregister_device(ideapad_priv->inputdev);
- ideapad_priv->inputdev = NULL;
+ sparse_keymap_free(priv->inputdev);
+ input_unregister_device(priv->inputdev);
+ priv->inputdev = NULL;
}
-static void ideapad_input_report(unsigned long scancode)
+static void ideapad_input_report(struct ideapad_private *priv,
+ unsigned long scancode)
{
- sparse_keymap_report_event(ideapad_priv->inputdev, scancode, 1, true);
+ sparse_keymap_report_event(priv->inputdev, scancode, 1, true);
}
-/* the above is input device */
+/*
+ * module init/exit
+ */
static const struct acpi_device_id ideapad_device_ids[] = {
{ "VPC2004", 0},
{ "", 0},
};
MODULE_DEVICE_TABLE(acpi, ideapad_device_ids);
-static int ideapad_acpi_add(struct acpi_device *adevice)
+static int __devinit ideapad_acpi_add(struct acpi_device *adevice)
{
int ret, i, cfg;
struct ideapad_private *priv;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
- ideapad_priv = priv;
- priv->handle = adevice->handle;
dev_set_drvdata(&adevice->dev, priv);
+ ideapad_handle = adevice->handle;
- ret = ideapad_platform_init();
+ ret = ideapad_platform_init(priv);
if (ret)
goto platform_failed;
- ret = ideapad_input_init();
+ ret = ideapad_input_init(priv);
if (ret)
goto input_failed;
- for (i = IDEAPAD_DEV_WLAN; i < IDEAPAD_DEV_KILLSW; i++) {
+ for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) {
if (test_bit(ideapad_rfk_data[i].cfgbit, (unsigned long *)&cfg))
ideapad_register_rfkill(adevice, i);
+ else
+ priv->rfk[i] = NULL;
}
ideapad_sync_rfk_state(adevice);
return 0;
input_failed:
- ideapad_platform_exit();
+ ideapad_platform_exit(priv);
platform_failed:
kfree(priv);
return ret;
}
-static int ideapad_acpi_remove(struct acpi_device *adevice, int type)
+static int __devexit ideapad_acpi_remove(struct acpi_device *adevice, int type)
{
struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
int i;
- for (i = IDEAPAD_DEV_WLAN; i < IDEAPAD_DEV_KILLSW; i++)
+ for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++)
ideapad_unregister_rfkill(adevice, i);
- ideapad_input_exit();
- ideapad_platform_exit();
+ ideapad_input_exit(priv);
+ ideapad_platform_exit(priv);
dev_set_drvdata(&adevice->dev, NULL);
kfree(priv);
static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event)
{
+ struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
acpi_handle handle = adevice->handle;
unsigned long vpc1, vpc2, vpc_bit;
if (vpc_bit == 9)
ideapad_sync_rfk_state(adevice);
else
- ideapad_input_report(vpc_bit);
+ ideapad_input_report(priv, vpc_bit);
}
}
}
.owner = THIS_MODULE,
};
-
static int __init ideapad_acpi_module_init(void)
{
- acpi_bus_register_driver(&ideapad_acpi_driver);
-
- return 0;
+ return acpi_bus_register_driver(&ideapad_acpi_driver);
}
-
static void __exit ideapad_acpi_module_exit(void)
{
acpi_bus_unregister_driver(&ideapad_acpi_driver);
-
}
MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>");