*
* Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor
* Copyright (C) 2006-2007 Corentin Chary
+ * Copyright (C) 2011 Wind River Systems
*
* 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
#include <linux/uaccess.h>
#include <linux/input.h>
#include <linux/input/sparse-keymap.h>
+#include <linux/input-polldev.h>
#include <linux/rfkill.h>
#include <linux/slab.h>
#include <linux/dmi.h>
* WAPF defines the behavior of the Fn+Fx wlan key
* The significance of values is yet to be found, but
* most of the time:
- * 0x0 will do nothing
- * 0x1 will allow to control the device with Fn+Fx key.
- * 0x4 will send an ACPI event (0x88) while pressing the Fn+Fx key
- * 0x5 like 0x1 or 0x4
- * So, if something doesn't work as you want, just try other values =)
+ * Bit | Bluetooth | WLAN
+ * 0 | Hardware | Hardware
+ * 1 | Hardware | Software
+ * 4 | Software | Software
*/
static uint wapf = 1;
module_param(wapf, uint, 0444);
static int bluetooth_status = 1;
static int wimax_status = -1;
static int wwan_status = -1;
+static int als_status;
module_param(wlan_status, int, 0444);
MODULE_PARM_DESC(wlan_status, "Set the wireless status on boot "
"(0 = disabled, 1 = enabled, -1 = don't do anything). "
- "default is 1");
+ "default is -1");
module_param(bluetooth_status, int, 0444);
MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot "
"(0 = disabled, 1 = enabled, -1 = don't do anything). "
- "default is 1");
+ "default is -1");
module_param(wimax_status, int, 0444);
MODULE_PARM_DESC(wimax_status, "Set the wireless status on boot "
"(0 = disabled, 1 = enabled, -1 = don't do anything). "
- "default is 1");
+ "default is -1");
module_param(wwan_status, int, 0444);
MODULE_PARM_DESC(wwan_status, "Set the wireless status on boot "
"(0 = disabled, 1 = enabled, -1 = don't do anything). "
- "default is 1");
+ "default is -1");
+
+module_param(als_status, int, 0444);
+MODULE_PARM_DESC(als_status, "Set the ALS status on boot "
+ "(0 = disabled, 1 = enabled). "
+ "default is 0");
/*
* Some events we use, same for all Asus
#define METHOD_KBD_LIGHT_SET "SLKB"
#define METHOD_KBD_LIGHT_GET "GLKB"
+/* For Pegatron Lucid tablet */
+#define DEVICE_NAME_PEGA "Lucid"
+
+#define METHOD_PEGA_ENABLE "ENPR"
+#define METHOD_PEGA_DISABLE "DAPR"
+#define PEGA_ALS 0x04
+#define PEGA_ALS_POWER 0x05
+
+#define METHOD_PEGA_READ "RDLN"
+#define PEGA_READ_ALS_H 0x02
+#define PEGA_READ_ALS_L 0x03
+
+#define PEGA_ACCEL_NAME "pega_accel"
+#define PEGA_ACCEL_DESC "Pegatron Lucid Tablet Accelerometer"
+#define METHOD_XLRX "XLRX"
+#define METHOD_XLRY "XLRY"
+#define METHOD_XLRZ "XLRZ"
+#define PEGA_ACC_CLAMP 512 /* 1G accel is reported as ~256, so clamp to 2G */
+#define PEGA_ACC_RETRIES 3
+
/*
* Define a specific led structure to keep the main structure clean
*/
struct input_dev *inputdev;
struct key_entry *keymap;
+ struct input_polled_dev *pega_accel_poll;
struct asus_led mled;
struct asus_led tled;
int wireless_status;
bool have_rsts;
+ bool is_pega_lucid;
+ bool pega_acc_live;
+ int pega_acc_x;
+ int pega_acc_y;
+ int pega_acc_z;
struct rfkill *gps_rfkill;
return 0;
}
+static bool asus_check_pega_lucid(struct asus_laptop *asus)
+{
+ return !strcmp(asus->name, DEVICE_NAME_PEGA) &&
+ !acpi_check_handle(asus->handle, METHOD_PEGA_ENABLE, NULL) &&
+ !acpi_check_handle(asus->handle, METHOD_PEGA_DISABLE, NULL) &&
+ !acpi_check_handle(asus->handle, METHOD_PEGA_READ, NULL);
+}
+
+static int asus_pega_lucid_set(struct asus_laptop *asus, int unit, bool enable)
+{
+ char *method = enable ? METHOD_PEGA_ENABLE : METHOD_PEGA_DISABLE;
+ return write_acpi_int(asus->handle, method, unit);
+}
+
+static int pega_acc_axis(struct asus_laptop *asus, int curr, char *method)
+{
+ int i, delta;
+ unsigned long long val;
+ for (i = 0; i < PEGA_ACC_RETRIES; i++) {
+ acpi_evaluate_integer(asus->handle, method, NULL, &val);
+
+ /* The output is noisy. From reading the ASL
+ * dissassembly, timeout errors are returned with 1's
+ * in the high word, and the lack of locking around
+ * thei hi/lo byte reads means that a transition
+ * between (for example) -1 and 0 could be read as
+ * 0xff00 or 0x00ff. */
+ delta = abs(curr - (short)val);
+ if (delta < 128 && !(val & ~0xffff))
+ break;
+ }
+ return clamp_val((short)val, -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP);
+}
+
+static void pega_accel_poll(struct input_polled_dev *ipd)
+{
+ struct device *parent = ipd->input->dev.parent;
+ struct asus_laptop *asus = dev_get_drvdata(parent);
+
+ /* In some cases, the very first call to poll causes a
+ * recursive fault under the polldev worker. This is
+ * apparently related to very early userspace access to the
+ * device, and perhaps a firmware bug. Fake the first report. */
+ if (!asus->pega_acc_live) {
+ asus->pega_acc_live = true;
+ input_report_abs(ipd->input, ABS_X, 0);
+ input_report_abs(ipd->input, ABS_Y, 0);
+ input_report_abs(ipd->input, ABS_Z, 0);
+ input_sync(ipd->input);
+ return;
+ }
+
+ asus->pega_acc_x = pega_acc_axis(asus, asus->pega_acc_x, METHOD_XLRX);
+ asus->pega_acc_y = pega_acc_axis(asus, asus->pega_acc_y, METHOD_XLRY);
+ asus->pega_acc_z = pega_acc_axis(asus, asus->pega_acc_z, METHOD_XLRZ);
+
+ /* Note transform, convert to "right/up/out" in the native
+ * landscape orientation (i.e. the vector is the direction of
+ * "real up" in the device's cartiesian coordinates). */
+ input_report_abs(ipd->input, ABS_X, -asus->pega_acc_x);
+ input_report_abs(ipd->input, ABS_Y, -asus->pega_acc_y);
+ input_report_abs(ipd->input, ABS_Z, asus->pega_acc_z);
+ input_sync(ipd->input);
+}
+
+static void pega_accel_exit(struct asus_laptop *asus)
+{
+ if (asus->pega_accel_poll) {
+ input_unregister_polled_device(asus->pega_accel_poll);
+ input_free_polled_device(asus->pega_accel_poll);
+ }
+ asus->pega_accel_poll = NULL;
+}
+
+static int pega_accel_init(struct asus_laptop *asus)
+{
+ int err;
+ struct input_polled_dev *ipd;
+
+ if (!asus->is_pega_lucid)
+ return -ENODEV;
+
+ if (acpi_check_handle(asus->handle, METHOD_XLRX, NULL) ||
+ acpi_check_handle(asus->handle, METHOD_XLRY, NULL) ||
+ acpi_check_handle(asus->handle, METHOD_XLRZ, NULL))
+ return -ENODEV;
+
+ ipd = input_allocate_polled_device();
+ if (!ipd)
+ return -ENOMEM;
+
+ ipd->poll = pega_accel_poll;
+ ipd->poll_interval = 125;
+ ipd->poll_interval_min = 50;
+ ipd->poll_interval_max = 2000;
+
+ ipd->input->name = PEGA_ACCEL_DESC;
+ ipd->input->phys = PEGA_ACCEL_NAME "/input0";
+ ipd->input->dev.parent = &asus->platform_device->dev;
+ ipd->input->id.bustype = BUS_HOST;
+
+ set_bit(EV_ABS, ipd->input->evbit);
+ input_set_abs_params(ipd->input, ABS_X,
+ -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
+ input_set_abs_params(ipd->input, ABS_Y,
+ -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
+ input_set_abs_params(ipd->input, ABS_Z,
+ -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
+
+ err = input_register_polled_device(ipd);
+ if (err)
+ goto exit;
+
+ asus->pega_accel_poll = ipd;
+ return 0;
+
+exit:
+ input_free_polled_device(ipd);
+ return err;
+}
+
/* Generic LED function */
static int asus_led_set(struct asus_laptop *asus, const char *method,
int value)
static void asus_led_exit(struct asus_laptop *asus)
{
- if (asus->mled.led.dev)
+ if (!IS_ERR_OR_NULL(asus->mled.led.dev))
led_classdev_unregister(&asus->mled.led);
- if (asus->tled.led.dev)
+ if (!IS_ERR_OR_NULL(asus->tled.led.dev))
led_classdev_unregister(&asus->tled.led);
- if (asus->pled.led.dev)
+ if (!IS_ERR_OR_NULL(asus->pled.led.dev))
led_classdev_unregister(&asus->pled.led);
- if (asus->rled.led.dev)
+ if (!IS_ERR_OR_NULL(asus->rled.led.dev))
led_classdev_unregister(&asus->rled.led);
- if (asus->gled.led.dev)
+ if (!IS_ERR_OR_NULL(asus->gled.led.dev))
led_classdev_unregister(&asus->gled.led);
- if (asus->kled.led.dev)
+ if (!IS_ERR_OR_NULL(asus->kled.led.dev))
led_classdev_unregister(&asus->kled.led);
if (asus->led_workqueue) {
destroy_workqueue(asus->led_workqueue);
{
int r;
+ /*
+ * The Pegatron Lucid has no physical leds, but all methods are
+ * available in the DSDT...
+ */
+ if (asus->is_pega_lucid)
+ return 0;
+
/*
* Functions that actually update the LED's are called from a
* workqueue. By doing this as separate work rather than when the LED
*/
static void asus_als_switch(struct asus_laptop *asus, int value)
{
- if (write_acpi_int(asus->handle, METHOD_ALS_CONTROL, value))
- pr_warn("Error setting light sensor switch\n");
+ int ret;
+
+ if (asus->is_pega_lucid) {
+ ret = asus_pega_lucid_set(asus, PEGA_ALS, value);
+ if (!ret)
+ ret = asus_pega_lucid_set(asus, PEGA_ALS_POWER, value);
+ } else {
+ ret = write_acpi_int(asus->handle, METHOD_ALS_CONTROL, value);
+ }
+ if (ret)
+ pr_warning("Error setting light sensor switch\n");
+
asus->light_switch = value;
}
return rv;
}
+static int pega_int_read(struct asus_laptop *asus, int arg, int *result)
+{
+ struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+ int err = write_acpi_int_ret(asus->handle, METHOD_PEGA_READ, arg,
+ &buffer);
+ if (!err) {
+ union acpi_object *obj = buffer.pointer;
+ if (obj && obj->type == ACPI_TYPE_INTEGER)
+ *result = obj->integer.value;
+ else
+ err = -EIO;
+ }
+ return err;
+}
+
+static ssize_t show_lsvalue(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct asus_laptop *asus = dev_get_drvdata(dev);
+ int err, hi, lo;
+
+ err = pega_int_read(asus, PEGA_READ_ALS_H, &hi);
+ if (!err)
+ err = pega_int_read(asus, PEGA_READ_ALS_L, &lo);
+ if (!err)
+ return sprintf(buf, "%d\n", 10 * hi + lo);
+ return err;
+}
+
/*
* GPS
*/
}
return ;
}
+
+ /* Accelerometer "coarse orientation change" event */
+ if (asus->pega_accel_poll && event == 0xEA) {
+ kobject_uevent(&asus->pega_accel_poll->input->dev.kobj,
+ KOBJ_CHANGE);
+ return ;
+ }
+
asus_input_notify(asus, event);
}
static DEVICE_ATTR(wwan, S_IRUGO | S_IWUSR, show_wwan, store_wwan);
static DEVICE_ATTR(display, S_IWUSR, NULL, store_disp);
static DEVICE_ATTR(ledd, S_IRUGO | S_IWUSR, show_ledd, store_ledd);
+static DEVICE_ATTR(ls_value, S_IRUGO, show_lsvalue, NULL);
static DEVICE_ATTR(ls_level, S_IRUGO | S_IWUSR, show_lslvl, store_lslvl);
static DEVICE_ATTR(ls_switch, S_IRUGO | S_IWUSR, show_lssw, store_lssw);
static DEVICE_ATTR(gps, S_IRUGO | S_IWUSR, show_gps, store_gps);
&dev_attr_wwan.attr,
&dev_attr_display.attr,
&dev_attr_ledd.attr,
+ &dev_attr_ls_value.attr,
&dev_attr_ls_level.attr,
&dev_attr_ls_switch.attr,
&dev_attr_gps.attr,
acpi_handle handle = asus->handle;
bool supported;
+ if (asus->is_pega_lucid) {
+ /* no ls_level interface on the Lucid */
+ if (attr == &dev_attr_ls_switch.attr)
+ supported = true;
+ else if (attr == &dev_attr_ls_level.attr)
+ supported = false;
+ else
+ goto normal;
+
+ return supported;
+ }
+
+normal:
if (attr == &dev_attr_wlan.attr) {
supported = !acpi_check_handle(handle, METHOD_WLAN, NULL);
} else if (attr == &dev_attr_ls_switch.attr ||
attr == &dev_attr_ls_level.attr) {
supported = !acpi_check_handle(handle, METHOD_ALS_CONTROL, NULL) &&
- !acpi_check_handle(handle, METHOD_ALS_LEVEL, NULL);
-
+ !acpi_check_handle(handle, METHOD_ALS_LEVEL, NULL);
+ } else if (attr == &dev_attr_ls_value.attr) {
+ supported = asus->is_pega_lucid;
} else if (attr == &dev_attr_gps.attr) {
supported = !acpi_check_handle(handle, METHOD_GPS_ON, NULL) &&
!acpi_check_handle(handle, METHOD_GPS_OFF, NULL) &&
.driver = {
.name = ASUS_LAPTOP_FILE,
.owner = THIS_MODULE,
- }
+ },
};
/*
asus->ledd_status = 0xFFF;
/* Set initial values of light sensor and level */
- asus->light_switch = 0; /* Default to light sensor disabled */
+ asus->light_switch = !!als_status;
asus->light_level = 5; /* level 5 for sensor sensitivity */
- if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) &&
- !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) {
+ if (asus->is_pega_lucid) {
+ asus_als_switch(asus, asus->light_switch);
+ } else if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) &&
+ !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) {
asus_als_switch(asus, asus->light_switch);
asus_als_level(asus, asus->light_level);
}
goto fail_platform;
/*
- * Register the platform device first. It is used as a parent for the
- * sub-devices below.
+ * Need platform type detection first, then the platform
+ * device. It is used as a parent for the sub-devices below.
*/
+ asus->is_pega_lucid = asus_check_pega_lucid(asus);
result = asus_platform_init(asus);
if (result)
goto fail_platform;
if (result)
goto fail_rfkill;
+ result = pega_accel_init(asus);
+ if (result && result != -ENODEV)
+ goto fail_pega_accel;
+
asus_device_present = true;
return 0;
+fail_pega_accel:
+ asus_rfkill_exit(asus);
fail_rfkill:
asus_led_exit(asus);
fail_led:
asus_rfkill_exit(asus);
asus_led_exit(asus);
asus_input_exit(asus);
+ pega_accel_exit(asus);
asus_platform_exit(asus);
kfree(asus->name);
projects / cascardo / linux.git / blobdiff