Merge branch 'eeepc-laptop' into release

This commit is contained in:
Len Brown 2010-01-20 01:23:01 -05:00
commit 2984397a02
2 changed files with 164 additions and 135 deletions

View file

@ -364,6 +364,7 @@ config EEEPC_LAPTOP
select HWMON
select LEDS_CLASS
select NEW_LEDS
select INPUT_SPARSEKMAP
---help---
This driver supports the Fn-Fx keys on Eee PC laptops.

View file

@ -31,10 +31,12 @@
#include <acpi/acpi_bus.h>
#include <linux/uaccess.h>
#include <linux/input.h>
#include <linux/input/sparse-keymap.h>
#include <linux/rfkill.h>
#include <linux/pci.h>
#include <linux/pci_hotplug.h>
#include <linux/leds.h>
#include <linux/dmi.h>
#define EEEPC_LAPTOP_VERSION "0.1"
#define EEEPC_LAPTOP_NAME "Eee PC Hotkey Driver"
@ -48,6 +50,14 @@ MODULE_AUTHOR("Corentin Chary, Eric Cooper");
MODULE_DESCRIPTION(EEEPC_LAPTOP_NAME);
MODULE_LICENSE("GPL");
static bool hotplug_disabled;
module_param(hotplug_disabled, bool, 0644);
MODULE_PARM_DESC(hotplug_disabled,
"Disable hotplug for wireless device. "
"If your laptop need that, please report to "
"acpi4asus-user@lists.sourceforge.net.");
/*
* Definitions for Asus EeePC
*/
@ -120,38 +130,28 @@ static const char *cm_setv[] = {
NULL, NULL, "PBPS", "TPDS"
};
struct key_entry {
char type;
u8 code;
u16 keycode;
};
enum { KE_KEY, KE_END };
static const struct key_entry eeepc_keymap[] = {
/* Sleep already handled via generic ACPI code */
{KE_KEY, 0x10, KEY_WLAN },
{KE_KEY, 0x11, KEY_WLAN },
{KE_KEY, 0x12, KEY_PROG1 },
{KE_KEY, 0x13, KEY_MUTE },
{KE_KEY, 0x14, KEY_VOLUMEDOWN },
{KE_KEY, 0x15, KEY_VOLUMEUP },
{KE_KEY, 0x16, KEY_DISPLAY_OFF },
{KE_KEY, 0x1a, KEY_COFFEE },
{KE_KEY, 0x1b, KEY_ZOOM },
{KE_KEY, 0x1c, KEY_PROG2 },
{KE_KEY, 0x1d, KEY_PROG3 },
{KE_KEY, NOTIFY_BRN_MIN, KEY_BRIGHTNESSDOWN },
{KE_KEY, NOTIFY_BRN_MAX, KEY_BRIGHTNESSUP },
{KE_KEY, 0x30, KEY_SWITCHVIDEOMODE },
{KE_KEY, 0x31, KEY_SWITCHVIDEOMODE },
{KE_KEY, 0x32, KEY_SWITCHVIDEOMODE },
{KE_KEY, 0x37, KEY_F13 }, /* Disable Touchpad */
{KE_KEY, 0x38, KEY_F14 },
{KE_END, 0},
{ KE_KEY, 0x10, { KEY_WLAN } },
{ KE_KEY, 0x11, { KEY_WLAN } },
{ KE_KEY, 0x12, { KEY_PROG1 } },
{ KE_KEY, 0x13, { KEY_MUTE } },
{ KE_KEY, 0x14, { KEY_VOLUMEDOWN } },
{ KE_KEY, 0x15, { KEY_VOLUMEUP } },
{ KE_KEY, 0x16, { KEY_DISPLAY_OFF } },
{ KE_KEY, 0x1a, { KEY_COFFEE } },
{ KE_KEY, 0x1b, { KEY_ZOOM } },
{ KE_KEY, 0x1c, { KEY_PROG2 } },
{ KE_KEY, 0x1d, { KEY_PROG3 } },
{ KE_KEY, NOTIFY_BRN_MIN, { KEY_BRIGHTNESSDOWN } },
{ KE_KEY, NOTIFY_BRN_MAX, { KEY_BRIGHTNESSUP } },
{ KE_KEY, 0x30, { KEY_SWITCHVIDEOMODE } },
{ KE_KEY, 0x31, { KEY_SWITCHVIDEOMODE } },
{ KE_KEY, 0x32, { KEY_SWITCHVIDEOMODE } },
{ KE_KEY, 0x37, { KEY_F13 } }, /* Disable Touchpad */
{ KE_KEY, 0x38, { KEY_F14 } },
{ KE_END, 0 },
};
/*
* This is the main structure, we can use it to store useful information
*/
@ -159,6 +159,8 @@ struct eeepc_laptop {
acpi_handle handle; /* the handle of the acpi device */
u32 cm_supported; /* the control methods supported
by this BIOS */
bool cpufv_disabled;
bool hotplug_disabled;
u16 event_count[128]; /* count for each event */
struct platform_device *platform_device;
@ -378,6 +380,8 @@ static ssize_t store_cpufv(struct device *dev,
struct eeepc_cpufv c;
int rv, value;
if (eeepc->cpufv_disabled)
return -EPERM;
if (get_cpufv(eeepc, &c))
return -ENODEV;
rv = parse_arg(buf, count, &value);
@ -389,6 +393,41 @@ static ssize_t store_cpufv(struct device *dev,
return rv;
}
static ssize_t show_cpufv_disabled(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct eeepc_laptop *eeepc = dev_get_drvdata(dev);
return sprintf(buf, "%d\n", eeepc->cpufv_disabled);
}
static ssize_t store_cpufv_disabled(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct eeepc_laptop *eeepc = dev_get_drvdata(dev);
int rv, value;
rv = parse_arg(buf, count, &value);
if (rv < 0)
return rv;
switch (value) {
case 0:
if (eeepc->cpufv_disabled)
pr_warning("cpufv enabled (not officially supported "
"on this model)\n");
eeepc->cpufv_disabled = false;
return rv;
case 1:
return -EPERM;
default:
return -EINVAL;
}
}
static struct device_attribute dev_attr_cpufv = {
.attr = {
.name = "cpufv",
@ -404,12 +443,22 @@ static struct device_attribute dev_attr_available_cpufv = {
.show = show_available_cpufv
};
static struct device_attribute dev_attr_cpufv_disabled = {
.attr = {
.name = "cpufv_disabled",
.mode = 0644 },
.show = show_cpufv_disabled,
.store = store_cpufv_disabled
};
static struct attribute *platform_attributes[] = {
&dev_attr_camera.attr,
&dev_attr_cardr.attr,
&dev_attr_disp.attr,
&dev_attr_cpufv.attr,
&dev_attr_available_cpufv.attr,
&dev_attr_cpufv_disabled.attr,
NULL
};
@ -796,6 +845,9 @@ static int eeepc_rfkill_init(struct eeepc_laptop *eeepc)
if (result && result != -ENODEV)
goto exit;
if (eeepc->hotplug_disabled)
return 0;
result = eeepc_setup_pci_hotplug(eeepc);
/*
* If we get -EBUSY then something else is handling the PCI hotplug -
@ -1090,120 +1142,42 @@ static void eeepc_backlight_exit(struct eeepc_laptop *eeepc)
/*
* Input device (i.e. hotkeys)
*/
static struct key_entry *eeepc_get_entry_by_scancode(
struct eeepc_laptop *eeepc,
int code)
{
struct key_entry *key;
for (key = eeepc->keymap; key->type != KE_END; key++)
if (code == key->code)
return key;
return NULL;
}
static void eeepc_input_notify(struct eeepc_laptop *eeepc, int event)
{
static struct key_entry *key;
key = eeepc_get_entry_by_scancode(eeepc, event);
if (key) {
switch (key->type) {
case KE_KEY:
input_report_key(eeepc->inputdev, key->keycode,
1);
input_sync(eeepc->inputdev);
input_report_key(eeepc->inputdev, key->keycode,
0);
input_sync(eeepc->inputdev);
break;
}
}
}
static struct key_entry *eeepc_get_entry_by_keycode(
struct eeepc_laptop *eeepc, 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 eeepc_laptop *eeepc = input_get_drvdata(dev);
struct key_entry *key = eeepc_get_entry_by_scancode(eeepc, 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 eeepc_laptop *eeepc = input_get_drvdata(dev);
struct key_entry *key;
int old_keycode;
if (keycode < 0 || keycode > KEY_MAX)
return -EINVAL;
key = eeepc_get_entry_by_scancode(eeepc, scancode);
if (key && key->type == KE_KEY) {
old_keycode = key->keycode;
key->keycode = keycode;
set_bit(keycode, dev->keybit);
if (!eeepc_get_entry_by_keycode(eeepc, old_keycode))
clear_bit(old_keycode, dev->keybit);
return 0;
}
return -EINVAL;
}
static int eeepc_input_init(struct eeepc_laptop *eeepc)
{
const struct key_entry *key;
int result;
struct input_dev *input;
int error;
eeepc->inputdev = input_allocate_device();
if (!eeepc->inputdev) {
input = input_allocate_device();
if (!input) {
pr_info("Unable to allocate input device\n");
return -ENOMEM;
}
eeepc->inputdev->name = "Asus EeePC extra buttons";
eeepc->inputdev->dev.parent = &eeepc->platform_device->dev;
eeepc->inputdev->phys = EEEPC_LAPTOP_FILE "/input0";
eeepc->inputdev->id.bustype = BUS_HOST;
eeepc->inputdev->getkeycode = eeepc_getkeycode;
eeepc->inputdev->setkeycode = eeepc_setkeycode;
input_set_drvdata(eeepc->inputdev, eeepc);
eeepc->keymap = kmemdup(eeepc_keymap, sizeof(eeepc_keymap),
GFP_KERNEL);
for (key = eeepc_keymap; key->type != KE_END; key++) {
switch (key->type) {
case KE_KEY:
set_bit(EV_KEY, eeepc->inputdev->evbit);
set_bit(key->keycode, eeepc->inputdev->keybit);
break;
}
input->name = "Asus EeePC extra buttons";
input->phys = EEEPC_LAPTOP_FILE "/input0";
input->id.bustype = BUS_HOST;
input->dev.parent = &eeepc->platform_device->dev;
error = sparse_keymap_setup(input, eeepc_keymap, NULL);
if (error) {
pr_err("Unable to setup input device keymap\n");
goto err_free_dev;
}
result = input_register_device(eeepc->inputdev);
if (result) {
pr_info("Unable to register input device\n");
input_free_device(eeepc->inputdev);
return result;
error = input_register_device(input);
if (error) {
pr_err("Unable to register input device\n");
goto err_free_keymap;
}
eeepc->inputdev = input;
return 0;
err_free_keymap:
sparse_keymap_free(input);
err_free_dev:
input_free_device(input);
return error;
}
static void eeepc_input_exit(struct eeepc_laptop *eeepc)
@ -1253,11 +1227,59 @@ static void eeepc_acpi_notify(struct acpi_device *device, u32 event)
* event will be desired value (or else ignored)
*/
}
eeepc_input_notify(eeepc, event);
sparse_keymap_report_event(eeepc->inputdev, event,
1, true);
}
} else {
/* Everything else is a bona-fide keypress event */
eeepc_input_notify(eeepc, event);
sparse_keymap_report_event(eeepc->inputdev, event, 1, true);
}
}
static void eeepc_dmi_check(struct eeepc_laptop *eeepc)
{
const char *model;
model = dmi_get_system_info(DMI_PRODUCT_NAME);
if (!model)
return;
/*
* Blacklist for setting cpufv (cpu speed).
*
* EeePC 4G ("701") implements CFVS, but it is not supported
* by the pre-installed OS, and the original option to change it
* in the BIOS setup screen was removed in later versions.
*
* Judging by the lack of "Super Hybrid Engine" on Asus product pages,
* this applies to all "701" models (4G/4G Surf/2G Surf).
*
* So Asus made a deliberate decision not to support it on this model.
* We have several reports that using it can cause the system to hang
*
* The hang has also been reported on a "702" (Model name "8G"?).
*
* We avoid dmi_check_system() / dmi_match(), because they use
* substring matching. We don't want to affect the "701SD"
* and "701SDX" models, because they do support S.H.E.
*/
if (strcmp(model, "701") == 0 || strcmp(model, "702") == 0) {
eeepc->cpufv_disabled = true;
pr_info("model %s does not officially support setting cpu "
"speed\n", model);
pr_info("cpufv disabled to avoid instability\n");
}
/*
* Blacklist for wlan hotplug
*
* Eeepc 1005HA doesn't work like others models and don't need the
* hotplug code. In fact, current hotplug code seems to unplug another
* device...
*/
if (strcmp(model, "1005HA") == 0 || strcmp(model, "1201N") == 0) {
eeepc->hotplug_disabled = true;
pr_info("wlan hotplug disabled\n");
}
}
@ -1342,6 +1364,10 @@ static int __devinit eeepc_acpi_add(struct acpi_device *device)
strcpy(acpi_device_class(device), EEEPC_ACPI_CLASS);
device->driver_data = eeepc;
eeepc->hotplug_disabled = hotplug_disabled;
eeepc_dmi_check(eeepc);
result = eeepc_acpi_init(eeepc, device);
if (result)
goto fail_platform;
@ -1452,10 +1478,12 @@ static int __init eeepc_laptop_init(void)
result = acpi_bus_register_driver(&eeepc_acpi_driver);
if (result < 0)
goto fail_acpi_driver;
if (!eeepc_device_present) {
result = -ENODEV;
goto fail_no_device;
}
return 0;
fail_no_device: