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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-25 08:28:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-25 08:28:13 -0700
commitfbaab1dc19751c80a7df62425f1d9ad2688e42f5 (patch)
tree87d9fb36de2873677449bb1737086a3c64f87ef6 /drivers/hwmon
parent51f00a471ce8f359627dd99aeac322947a0e491b (diff)
parent7f80d734b3b5d23b9851cc03cc20733bca2c724e (diff)
downloadop-kernel-dev-fbaab1dc19751c80a7df62425f1d9ad2688e42f5.zip
op-kernel-dev-fbaab1dc19751c80a7df62425f1d9ad2688e42f5.tar.gz
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86: (44 commits) eeepc-wmi: Add cpufv sysfs interface eeepc-wmi: add additional hotkeys panasonic-laptop: Simplify calls to acpi_pcc_retrieve_biosdata panasonic-laptop: Handle errors properly if they happen intel_pmic_gpio: fix off-by-one value range checking IBM Real-Time "SMI Free" mode driver -v7 Add OLPC XO-1 rfkill driver Move hdaps driver to platform/x86 ideapad-laptop: Fix Makefile intel_pmic_gpio: swap the bits and mask args for intel_scu_ipc_update_register ideapad: Add param: no_bt_rfkill ideapad: Change the driver name to ideapad-laptop ideapad: rewrite the sw rfkill set ideapad: rewrite the hw rfkill notify ideapad: use EC command to control camera ideapad: use return value of _CFG to tell if device exist or not ideapad: make sure we bind on the correct device ideapad: check VPC bit before sync rfkill hw status ideapad: add ACPI helpers dell-laptop: Add debugfs support ...
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/Kconfig20
-rw-r--r--drivers/hwmon/Makefile1
-rw-r--r--drivers/hwmon/hdaps.c637
3 files changed, 0 insertions, 658 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 97499d0..e382da3 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -1088,26 +1088,6 @@ config SENSORS_ULTRA45
This driver provides support for the Ultra45 workstation environmental
sensors.
-config SENSORS_HDAPS
- tristate "IBM Hard Drive Active Protection System (hdaps)"
- depends on INPUT && X86
- select INPUT_POLLDEV
- default n
- help
- This driver provides support for the IBM Hard Drive Active Protection
- System (hdaps), which provides an accelerometer and other misc. data.
- ThinkPads starting with the R50, T41, and X40 are supported. The
- accelerometer data is readable via sysfs.
-
- This driver also provides an absolute input class device, allowing
- the laptop to act as a pinball machine-esque joystick.
-
- If your ThinkPad is not recognized by the driver, please update to latest
- BIOS. This is especially the case for some R52 ThinkPads.
-
- Say Y here if you have an applicable laptop and want to experience
- the awesome power of hdaps.
-
config SENSORS_LIS3_SPI
tristate "STMicroeletronics LIS3LV02Dx three-axis digital accelerometer (SPI)"
depends on !ACPI && SPI_MASTER && INPUT
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index e3c2484..ec9cb73 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -52,7 +52,6 @@ obj-$(CONFIG_SENSORS_G760A) += g760a.o
obj-$(CONFIG_SENSORS_GL518SM) += gl518sm.o
obj-$(CONFIG_SENSORS_GL520SM) += gl520sm.o
obj-$(CONFIG_SENSORS_ULTRA45) += ultra45_env.o
-obj-$(CONFIG_SENSORS_HDAPS) += hdaps.o
obj-$(CONFIG_SENSORS_I5K_AMB) += i5k_amb.o
obj-$(CONFIG_SENSORS_IBMAEM) += ibmaem.o
obj-$(CONFIG_SENSORS_IBMPEX) += ibmpex.o
diff --git a/drivers/hwmon/hdaps.c b/drivers/hwmon/hdaps.c
deleted file mode 100644
index bfd42f1..0000000
--- a/drivers/hwmon/hdaps.c
+++ /dev/null
@@ -1,637 +0,0 @@
-/*
- * drivers/hwmon/hdaps.c - driver for IBM's Hard Drive Active Protection System
- *
- * Copyright (C) 2005 Robert Love <rml@novell.com>
- * Copyright (C) 2005 Jesper Juhl <jesper.juhl@gmail.com>
- *
- * The HardDisk Active Protection System (hdaps) is present in IBM ThinkPads
- * starting with the R40, T41, and X40. It provides a basic two-axis
- * accelerometer and other data, such as the device's temperature.
- *
- * This driver is based on the document by Mark A. Smith available at
- * http://www.almaden.ibm.com/cs/people/marksmith/tpaps.html and a lot of trial
- * and error.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License v2 as published by the
- * Free Software Foundation.
- *
- * 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/delay.h>
-#include <linux/platform_device.h>
-#include <linux/input-polldev.h>
-#include <linux/kernel.h>
-#include <linux/mutex.h>
-#include <linux/module.h>
-#include <linux/timer.h>
-#include <linux/dmi.h>
-#include <linux/jiffies.h>
-#include <linux/io.h>
-
-#define HDAPS_LOW_PORT 0x1600 /* first port used by hdaps */
-#define HDAPS_NR_PORTS 0x30 /* number of ports: 0x1600 - 0x162f */
-
-#define HDAPS_PORT_STATE 0x1611 /* device state */
-#define HDAPS_PORT_YPOS 0x1612 /* y-axis position */
-#define HDAPS_PORT_XPOS 0x1614 /* x-axis position */
-#define HDAPS_PORT_TEMP1 0x1616 /* device temperature, in Celsius */
-#define HDAPS_PORT_YVAR 0x1617 /* y-axis variance (what is this?) */
-#define HDAPS_PORT_XVAR 0x1619 /* x-axis variance (what is this?) */
-#define HDAPS_PORT_TEMP2 0x161b /* device temperature (again?) */
-#define HDAPS_PORT_UNKNOWN 0x161c /* what is this? */
-#define HDAPS_PORT_KMACT 0x161d /* keyboard or mouse activity */
-
-#define STATE_FRESH 0x50 /* accelerometer data is fresh */
-
-#define KEYBD_MASK 0x20 /* set if keyboard activity */
-#define MOUSE_MASK 0x40 /* set if mouse activity */
-#define KEYBD_ISSET(n) (!! (n & KEYBD_MASK)) /* keyboard used? */
-#define MOUSE_ISSET(n) (!! (n & MOUSE_MASK)) /* mouse used? */
-
-#define INIT_TIMEOUT_MSECS 4000 /* wait up to 4s for device init ... */
-#define INIT_WAIT_MSECS 200 /* ... in 200ms increments */
-
-#define HDAPS_POLL_INTERVAL 50 /* poll for input every 1/20s (50 ms)*/
-#define HDAPS_INPUT_FUZZ 4 /* input event threshold */
-#define HDAPS_INPUT_FLAT 4
-
-#define HDAPS_X_AXIS (1 << 0)
-#define HDAPS_Y_AXIS (1 << 1)
-#define HDAPS_BOTH_AXES (HDAPS_X_AXIS | HDAPS_Y_AXIS)
-
-static struct platform_device *pdev;
-static struct input_polled_dev *hdaps_idev;
-static unsigned int hdaps_invert;
-static u8 km_activity;
-static int rest_x;
-static int rest_y;
-
-static DEFINE_MUTEX(hdaps_mtx);
-
-/*
- * __get_latch - Get the value from a given port. Callers must hold hdaps_mtx.
- */
-static inline u8 __get_latch(u16 port)
-{
- return inb(port) & 0xff;
-}
-
-/*
- * __check_latch - Check a port latch for a given value. Returns zero if the
- * port contains the given value. Callers must hold hdaps_mtx.
- */
-static inline int __check_latch(u16 port, u8 val)
-{
- if (__get_latch(port) == val)
- return 0;
- return -EINVAL;
-}
-
-/*
- * __wait_latch - Wait up to 100us for a port latch to get a certain value,
- * returning zero if the value is obtained. Callers must hold hdaps_mtx.
- */
-static int __wait_latch(u16 port, u8 val)
-{
- unsigned int i;
-
- for (i = 0; i < 20; i++) {
- if (!__check_latch(port, val))
- return 0;
- udelay(5);
- }
-
- return -EIO;
-}
-
-/*
- * __device_refresh - request a refresh from the accelerometer. Does not wait
- * for refresh to complete. Callers must hold hdaps_mtx.
- */
-static void __device_refresh(void)
-{
- udelay(200);
- if (inb(0x1604) != STATE_FRESH) {
- outb(0x11, 0x1610);
- outb(0x01, 0x161f);
- }
-}
-
-/*
- * __device_refresh_sync - request a synchronous refresh from the
- * accelerometer. We wait for the refresh to complete. Returns zero if
- * successful and nonzero on error. Callers must hold hdaps_mtx.
- */
-static int __device_refresh_sync(void)
-{
- __device_refresh();
- return __wait_latch(0x1604, STATE_FRESH);
-}
-
-/*
- * __device_complete - indicate to the accelerometer that we are done reading
- * data, and then initiate an async refresh. Callers must hold hdaps_mtx.
- */
-static inline void __device_complete(void)
-{
- inb(0x161f);
- inb(0x1604);
- __device_refresh();
-}
-
-/*
- * hdaps_readb_one - reads a byte from a single I/O port, placing the value in
- * the given pointer. Returns zero on success or a negative error on failure.
- * Can sleep.
- */
-static int hdaps_readb_one(unsigned int port, u8 *val)
-{
- int ret;
-
- mutex_lock(&hdaps_mtx);
-
- /* do a sync refresh -- we need to be sure that we read fresh data */
- ret = __device_refresh_sync();
- if (ret)
- goto out;
-
- *val = inb(port);
- __device_complete();
-
-out:
- mutex_unlock(&hdaps_mtx);
- return ret;
-}
-
-/* __hdaps_read_pair - internal lockless helper for hdaps_read_pair(). */
-static int __hdaps_read_pair(unsigned int port1, unsigned int port2,
- int *x, int *y)
-{
- /* do a sync refresh -- we need to be sure that we read fresh data */
- if (__device_refresh_sync())
- return -EIO;
-
- *y = inw(port2);
- *x = inw(port1);
- km_activity = inb(HDAPS_PORT_KMACT);
- __device_complete();
-
- /* hdaps_invert is a bitvector to negate the axes */
- if (hdaps_invert & HDAPS_X_AXIS)
- *x = -*x;
- if (hdaps_invert & HDAPS_Y_AXIS)
- *y = -*y;
-
- return 0;
-}
-
-/*
- * hdaps_read_pair - reads the values from a pair of ports, placing the values
- * in the given pointers. Returns zero on success. Can sleep.
- */
-static int hdaps_read_pair(unsigned int port1, unsigned int port2,
- int *val1, int *val2)
-{
- int ret;
-
- mutex_lock(&hdaps_mtx);
- ret = __hdaps_read_pair(port1, port2, val1, val2);
- mutex_unlock(&hdaps_mtx);
-
- return ret;
-}
-
-/*
- * hdaps_device_init - initialize the accelerometer. Returns zero on success
- * and negative error code on failure. Can sleep.
- */
-static int hdaps_device_init(void)
-{
- int total, ret = -ENXIO;
-
- mutex_lock(&hdaps_mtx);
-
- outb(0x13, 0x1610);
- outb(0x01, 0x161f);
- if (__wait_latch(0x161f, 0x00))
- goto out;
-
- /*
- * Most ThinkPads return 0x01.
- *
- * Others--namely the R50p, T41p, and T42p--return 0x03. These laptops
- * have "inverted" axises.
- *
- * The 0x02 value occurs when the chip has been previously initialized.
- */
- if (__check_latch(0x1611, 0x03) &&
- __check_latch(0x1611, 0x02) &&
- __check_latch(0x1611, 0x01))
- goto out;
-
- printk(KERN_DEBUG "hdaps: initial latch check good (0x%02x).\n",
- __get_latch(0x1611));
-
- outb(0x17, 0x1610);
- outb(0x81, 0x1611);
- outb(0x01, 0x161f);
- if (__wait_latch(0x161f, 0x00))
- goto out;
- if (__wait_latch(0x1611, 0x00))
- goto out;
- if (__wait_latch(0x1612, 0x60))
- goto out;
- if (__wait_latch(0x1613, 0x00))
- goto out;
- outb(0x14, 0x1610);
- outb(0x01, 0x1611);
- outb(0x01, 0x161f);
- if (__wait_latch(0x161f, 0x00))
- goto out;
- outb(0x10, 0x1610);
- outb(0xc8, 0x1611);
- outb(0x00, 0x1612);
- outb(0x02, 0x1613);
- outb(0x01, 0x161f);
- if (__wait_latch(0x161f, 0x00))
- goto out;
- if (__device_refresh_sync())
- goto out;
- if (__wait_latch(0x1611, 0x00))
- goto out;
-
- /* we have done our dance, now let's wait for the applause */
- for (total = INIT_TIMEOUT_MSECS; total > 0; total -= INIT_WAIT_MSECS) {
- int x, y;
-
- /* a read of the device helps push it into action */
- __hdaps_read_pair(HDAPS_PORT_XPOS, HDAPS_PORT_YPOS, &x, &y);
- if (!__wait_latch(0x1611, 0x02)) {
- ret = 0;
- break;
- }
-
- msleep(INIT_WAIT_MSECS);
- }
-
-out:
- mutex_unlock(&hdaps_mtx);
- return ret;
-}
-
-
-/* Device model stuff */
-
-static int hdaps_probe(struct platform_device *dev)
-{
- int ret;
-
- ret = hdaps_device_init();
- if (ret)
- return ret;
-
- printk(KERN_INFO "hdaps: device successfully initialized.\n");
- return 0;
-}
-
-static int hdaps_resume(struct platform_device *dev)
-{
- return hdaps_device_init();
-}
-
-static struct platform_driver hdaps_driver = {
- .probe = hdaps_probe,
- .resume = hdaps_resume,
- .driver = {
- .name = "hdaps",
- .owner = THIS_MODULE,
- },
-};
-
-/*
- * hdaps_calibrate - Set our "resting" values. Callers must hold hdaps_mtx.
- */
-static void hdaps_calibrate(void)
-{
- __hdaps_read_pair(HDAPS_PORT_XPOS, HDAPS_PORT_YPOS, &rest_x, &rest_y);
-}
-
-static void hdaps_mousedev_poll(struct input_polled_dev *dev)
-{
- struct input_dev *input_dev = dev->input;
- int x, y;
-
- mutex_lock(&hdaps_mtx);
-
- if (__hdaps_read_pair(HDAPS_PORT_XPOS, HDAPS_PORT_YPOS, &x, &y))
- goto out;
-
- input_report_abs(input_dev, ABS_X, x - rest_x);
- input_report_abs(input_dev, ABS_Y, y - rest_y);
- input_sync(input_dev);
-
-out:
- mutex_unlock(&hdaps_mtx);
-}
-
-
-/* Sysfs Files */
-
-static ssize_t hdaps_position_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- int ret, x, y;
-
- ret = hdaps_read_pair(HDAPS_PORT_XPOS, HDAPS_PORT_YPOS, &x, &y);
- if (ret)
- return ret;
-
- return sprintf(buf, "(%d,%d)\n", x, y);
-}
-
-static ssize_t hdaps_variance_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- int ret, x, y;
-
- ret = hdaps_read_pair(HDAPS_PORT_XVAR, HDAPS_PORT_YVAR, &x, &y);
- if (ret)
- return ret;
-
- return sprintf(buf, "(%d,%d)\n", x, y);
-}
-
-static ssize_t hdaps_temp1_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- u8 temp;
- int ret;
-
- ret = hdaps_readb_one(HDAPS_PORT_TEMP1, &temp);
- if (ret < 0)
- return ret;
-
- return sprintf(buf, "%u\n", temp);
-}
-
-static ssize_t hdaps_temp2_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- u8 temp;
- int ret;
-
- ret = hdaps_readb_one(HDAPS_PORT_TEMP2, &temp);
- if (ret < 0)
- return ret;
-
- return sprintf(buf, "%u\n", temp);
-}
-
-static ssize_t hdaps_keyboard_activity_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- return sprintf(buf, "%u\n", KEYBD_ISSET(km_activity));
-}
-
-static ssize_t hdaps_mouse_activity_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- return sprintf(buf, "%u\n", MOUSE_ISSET(km_activity));
-}
-
-static ssize_t hdaps_calibrate_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "(%d,%d)\n", rest_x, rest_y);
-}
-
-static ssize_t hdaps_calibrate_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- mutex_lock(&hdaps_mtx);
- hdaps_calibrate();
- mutex_unlock(&hdaps_mtx);
-
- return count;
-}
-
-static ssize_t hdaps_invert_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "%u\n", hdaps_invert);
-}
-
-static ssize_t hdaps_invert_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- int invert;
-
- if (sscanf(buf, "%d", &invert) != 1 ||
- invert < 0 || invert > HDAPS_BOTH_AXES)
- return -EINVAL;
-
- hdaps_invert = invert;
- hdaps_calibrate();
-
- return count;
-}
-
-static DEVICE_ATTR(position, 0444, hdaps_position_show, NULL);
-static DEVICE_ATTR(variance, 0444, hdaps_variance_show, NULL);
-static DEVICE_ATTR(temp1, 0444, hdaps_temp1_show, NULL);
-static DEVICE_ATTR(temp2, 0444, hdaps_temp2_show, NULL);
-static DEVICE_ATTR(keyboard_activity, 0444, hdaps_keyboard_activity_show, NULL);
-static DEVICE_ATTR(mouse_activity, 0444, hdaps_mouse_activity_show, NULL);
-static DEVICE_ATTR(calibrate, 0644, hdaps_calibrate_show,hdaps_calibrate_store);
-static DEVICE_ATTR(invert, 0644, hdaps_invert_show, hdaps_invert_store);
-
-static struct attribute *hdaps_attributes[] = {
- &dev_attr_position.attr,
- &dev_attr_variance.attr,
- &dev_attr_temp1.attr,
- &dev_attr_temp2.attr,
- &dev_attr_keyboard_activity.attr,
- &dev_attr_mouse_activity.attr,
- &dev_attr_calibrate.attr,
- &dev_attr_invert.attr,
- NULL,
-};
-
-static struct attribute_group hdaps_attribute_group = {
- .attrs = hdaps_attributes,
-};
-
-
-/* Module stuff */
-
-/* hdaps_dmi_match - found a match. return one, short-circuiting the hunt. */
-static int __init hdaps_dmi_match(const struct dmi_system_id *id)
-{
- printk(KERN_INFO "hdaps: %s detected.\n", id->ident);
- return 1;
-}
-
-/* hdaps_dmi_match_invert - found an inverted match. */
-static int __init hdaps_dmi_match_invert(const struct dmi_system_id *id)
-{
- hdaps_invert = (unsigned long)id->driver_data;
- printk(KERN_INFO "hdaps: inverting axis (%u) readings.\n",
- hdaps_invert);
- return hdaps_dmi_match(id);
-}
-
-#define HDAPS_DMI_MATCH_INVERT(vendor, model, axes) { \
- .ident = vendor " " model, \
- .callback = hdaps_dmi_match_invert, \
- .driver_data = (void *)axes, \
- .matches = { \
- DMI_MATCH(DMI_BOARD_VENDOR, vendor), \
- DMI_MATCH(DMI_PRODUCT_VERSION, model) \
- } \
-}
-
-#define HDAPS_DMI_MATCH_NORMAL(vendor, model) \
- HDAPS_DMI_MATCH_INVERT(vendor, model, 0)
-
-/* Note that HDAPS_DMI_MATCH_NORMAL("ThinkPad T42") would match
- "ThinkPad T42p", so the order of the entries matters.
- If your ThinkPad is not recognized, please update to latest
- BIOS. This is especially the case for some R52 ThinkPads. */
-static struct dmi_system_id __initdata hdaps_whitelist[] = {
- HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad R50p", HDAPS_BOTH_AXES),
- HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R50"),
- HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R51"),
- HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R52"),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad R61i", HDAPS_BOTH_AXES),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad R61", HDAPS_BOTH_AXES),
- HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T41p", HDAPS_BOTH_AXES),
- HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T41"),
- HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T42p", HDAPS_BOTH_AXES),
- HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T42"),
- HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T43"),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T400", HDAPS_BOTH_AXES),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T60", HDAPS_BOTH_AXES),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T61p", HDAPS_BOTH_AXES),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T61", HDAPS_BOTH_AXES),
- HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad X40"),
- HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad X41", HDAPS_Y_AXIS),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X60", HDAPS_BOTH_AXES),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X61s", HDAPS_BOTH_AXES),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X61", HDAPS_BOTH_AXES),
- HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad Z60m"),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad Z61m", HDAPS_BOTH_AXES),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad Z61p", HDAPS_BOTH_AXES),
- { .ident = NULL }
-};
-
-static int __init hdaps_init(void)
-{
- struct input_dev *idev;
- int ret;
-
- if (!dmi_check_system(hdaps_whitelist)) {
- printk(KERN_WARNING "hdaps: supported laptop not found!\n");
- ret = -ENODEV;
- goto out;
- }
-
- if (!request_region(HDAPS_LOW_PORT, HDAPS_NR_PORTS, "hdaps")) {
- ret = -ENXIO;
- goto out;
- }
-
- ret = platform_driver_register(&hdaps_driver);
- if (ret)
- goto out_region;
-
- pdev = platform_device_register_simple("hdaps", -1, NULL, 0);
- if (IS_ERR(pdev)) {
- ret = PTR_ERR(pdev);
- goto out_driver;
- }
-
- ret = sysfs_create_group(&pdev->dev.kobj, &hdaps_attribute_group);
- if (ret)
- goto out_device;
-
- hdaps_idev = input_allocate_polled_device();
- if (!hdaps_idev) {
- ret = -ENOMEM;
- goto out_group;
- }
-
- hdaps_idev->poll = hdaps_mousedev_poll;
- hdaps_idev->poll_interval = HDAPS_POLL_INTERVAL;
-
- /* initial calibrate for the input device */
- hdaps_calibrate();
-
- /* initialize the input class */
- idev = hdaps_idev->input;
- idev->name = "hdaps";
- idev->phys = "isa1600/input0";
- idev->id.bustype = BUS_ISA;
- idev->dev.parent = &pdev->dev;
- idev->evbit[0] = BIT_MASK(EV_ABS);
- input_set_abs_params(idev, ABS_X,
- -256, 256, HDAPS_INPUT_FUZZ, HDAPS_INPUT_FLAT);
- input_set_abs_params(idev, ABS_Y,
- -256, 256, HDAPS_INPUT_FUZZ, HDAPS_INPUT_FLAT);
-
- ret = input_register_polled_device(hdaps_idev);
- if (ret)
- goto out_idev;
-
- printk(KERN_INFO "hdaps: driver successfully loaded.\n");
- return 0;
-
-out_idev:
- input_free_polled_device(hdaps_idev);
-out_group:
- sysfs_remove_group(&pdev->dev.kobj, &hdaps_attribute_group);
-out_device:
- platform_device_unregister(pdev);
-out_driver:
- platform_driver_unregister(&hdaps_driver);
-out_region:
- release_region(HDAPS_LOW_PORT, HDAPS_NR_PORTS);
-out:
- printk(KERN_WARNING "hdaps: driver init failed (ret=%d)!\n", ret);
- return ret;
-}
-
-static void __exit hdaps_exit(void)
-{
- input_unregister_polled_device(hdaps_idev);
- input_free_polled_device(hdaps_idev);
- sysfs_remove_group(&pdev->dev.kobj, &hdaps_attribute_group);
- platform_device_unregister(pdev);
- platform_driver_unregister(&hdaps_driver);
- release_region(HDAPS_LOW_PORT, HDAPS_NR_PORTS);
-
- printk(KERN_INFO "hdaps: driver unloaded.\n");
-}
-
-module_init(hdaps_init);
-module_exit(hdaps_exit);
-
-module_param_named(invert, hdaps_invert, int, 0);
-MODULE_PARM_DESC(invert, "invert data along each axis. 1 invert x-axis, "
- "2 invert y-axis, 3 invert both axes.");
-
-MODULE_AUTHOR("Robert Love");
-MODULE_DESCRIPTION("IBM Hard Drive Active Protection System (HDAPS) driver");
-MODULE_LICENSE("GPL v2");
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