On 185, 07 04, 2005 at 08:00:12AM +0200, Lenz Grimmer wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hi Jesper, > > Jesper Juhl wrote: > > > I just had a nice chat with the guys there and we got some > > improvements made by them and us merged up. And I /think/ we agreed > > that I'll maintain the driver, merge fixes/features etc and eventually > > try to get it merged. > > Thanks a ton! I am really excited to see that you guys made so much > progress over the past few days! Of course, I immediately had to give it > a try :) > > > Currently the driver loads, initializes the accelerometer and we can > > read data from it. > > And here is a first support request - the kernel module does not load > for me :( > > I have a Thinkpad T42, running SUSE Linux 9.3 (Kernel 2.6.11 with SUSE > patches). The APS works on Windows, so I know the accelerometer is there. > > I have downloaded the sources from your site mentioned below, ran "make" > and "make install". Then I created the /dev/hdaps0 device node by > running "mknod hdaps0 c 228 0". (I picked this out of another message in > the discussion) > > However, running "modprobe ibm_hdaps" only yields an error: > > FATAL: Error inserting ibm_hdaps > (/lib/modules/2.6.11.4-21.7-default/kernel/drivers/misc/ibm_hdaps.ko): > No such device or address > > In /var/log/messages, I only see: > > Jul 4 07:17:20 metis kernel: ibm_hdaps: unsupported module, tainting > kernel. > Jul 4 07:17:20 metis kernel: init 1 50239260 Looks like io port region is already busy. > (The last number differs every time I load the module) > Passing "debug=1" did not really reveal any more info. How could I > provide you with more detail? Run cat /proc/ioports > I also tried to load Henrik's module, but it also spits out an error > "failed to allocate I/O", then a long number of "latch_check" lines and > "initialize() ret: -5". > > Maybe the accelerometer on the T42 uses a different port range? Or could > it be that some other kernel module is blocking this I/O range? I have > no clue... > > > I'll be working on adding sysfs stuff to it tomorrow so it's generally > > useful (at least for monitoring things - not yet for parking disk > > heads). > > Maybe there is some kind of all-purpose ATA command that instructs the > disk drive to park the heads? Jens, could you give us a hint on how a > userspace application would do that? > > > Once I've got the sysfs stuff sorted I'll publish a new version. > > > > The most recent version of the driver is currently at > > http://lemonshop.dk/ibm_hpaps/ (note: this is most likely not going to > > be the permanent home of this driver, but it's where it lives for > > now). > > Should we try to move the sources over to the hdaps.sf.net CVS tree? > Even though I am more a Subversion fan, having at least some kind of > version control would make it easier for others to participate and make > sure we can send patches against the latest version. > > > Patches are welcome at [email protected] > > Attached please find a diff against ibm_hdaps.c I found on the URL above > - - I moved some stuff to a separate header file (attached) and added > printing out the driver name and copyright during module initialization > (taken from Henrik's files). I also added an "uninstall" target to the > Makefile. > > I hope you find it useful! > > Bye, > LenZ > - -- > - ------------------------------------------------------------------ > Lenz Grimmer <[email protected]> -o) > [ICQ: 160767607 | Jabber: [email protected]] /\\ > http://www.lenzg.org/ V_V > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.0 (GNU/Linux) > Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org > > iD8DBQFCyNBpSVDhKrJykfIRAmLjAJwI1xaQEeW98M4yLVema2u+b9gX9wCfSufx > BuNm1Kcfk48FAn1e3pMa27M= > =yy24 > -----END PGP SIGNATURE----- > --- ibm_hdaps.c.org 2005-07-04 07:33:17.000000000 +0200 > +++ ibm_hdaps.c 2005-07-04 07:42:58.000000000 +0200 > @@ -34,31 +34,18 @@ > #include <linux/delay.h> > #include <asm/io.h> > #include <asm/uaccess.h> > +#include "ibm_hdaps.h" > > > +#define DRV_NAME "ibm_hdaps" > +#define DRV_DESCRIPTION "IBM ThinkPad Accelerometer driver" > +#define DRV_COPYRIGHT "Copyright (c) 2005 Jesper Juhl <[email protected]>" > +#define DRV_VERSION "0.2" > > -#define HDAPS_LOW_PORT 0x1600 /* first port used by accelerometer */ > -#define HDAPS_NR_PORTS 0x30 /* nr of ports total - 0x1600 through 0x162f */ > - > -#define STATE_STALE 0x00 /* accelerometer data is stale */ > -#define STATE_FRESH 0x50 /* accelerometer data fresh fresh */ > - > -#define REFRESH_ASYNC 0x00 /* do asynchronous refresh */ > -#define REFRESH_SYNC 0x01 /* do synchronous refresh */ > - > -/* > - * where to find the various accelerometer data > - * these map to the members of struct hdaps_accel_data > - */ > -#define HDAPS_PORT_STATE 0x1611 > -#define HDAPS_PORT_XACCEL 0x1612 > -#define HDAPS_PORT_YACCEL 0x1614 > -#define HDAPS_PORT_TEMP 0x1616 > -#define HDAPS_PORT_XVAR 0x1617 > -#define HDAPS_PORT_YVAR 0x1619 > -#define HDAPS_PORT_TEMP2 0x161b > -#define HDAPS_PORT_UNKNOWN 0x161c > -#define HDAPS_PORT_KMACCT 0x161d > +MODULE_LICENSE("GPL"); > +MODULE_AUTHOR(DRV_COPYRIGHT); > +MODULE_DESCRIPTION(DRV_DESCRIPTION); > +MODULE_VERSION(DRV_VERSION); > > static short debug = 0; > > @@ -345,6 +332,9 @@ > int retval; > struct hdaps_accel_data data; > > + printk(KERN_INFO DRV_NAME ": " DRV_DESCRIPTION ", " DRV_VERSION "\n"); > + printk(KERN_INFO DRV_NAME ": " DRV_COPYRIGHT "\n"); > + > printk(KERN_WARNING "init 1 %08ld\n", jiffies); > if (!request_region(HDAPS_LOW_PORT, HDAPS_NR_PORTS, "ibm_hdaps")) > return -ENXIO; > @@ -367,7 +357,6 @@ > } > > if (0) for (i = 0; i < 50; i++) { > - int j; > unsigned long tmp; > accelerometer_read(&data); > printk(KERN_WARNING "state = %d\n", data.state); > @@ -405,8 +394,3 @@ > module_init(ibm_hdaps_init); > module_exit(ibm_hdaps_exit); > > -MODULE_LICENSE("GPL"); > -MODULE_AUTHOR("Jesper Juhl"); > - > -MODULE_DESCRIPTION("IBM ThinkPad Accelerometer driver"); > -MODULE_VERSION("0.2"); > /* > * Driver for IBM HDAPS (HardDisk Active Protection system) > * > * Based on the document by Mark A. Smith available at > * http://www.almaden.ibm.com/cs/people/marksmith/tpaps.html > * > * Copyright (c) 2005 Jesper Juhl <[email protected]> > * > * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. > */ > > #ifndef __IBM_HDAPS_H__ > #define __IBM_HDAPS_H__ > > #define HDAPS_LOW_PORT 0x1600 /* first port used by accelerometer */ > #define HDAPS_NR_PORTS 0x30 /* nr of ports total - 0x1600 through 0x162f */ > > #define STATE_STALE 0x00 /* accelerometer data is stale */ > #define STATE_FRESH 0x50 /* accelerometer data fresh fresh */ > > #define REFRESH_ASYNC 0x00 /* do asynchronous refresh */ > #define REFRESH_SYNC 0x01 /* do synchronous refresh */ > > /* > * where to find the various accelerometer data > * these map to the members of struct hdaps_accel_data > */ > #define HDAPS_PORT_STATE 0x1611 > #define HDAPS_PORT_XACCEL 0x1612 > #define HDAPS_PORT_YACCEL 0x1614 > #define HDAPS_PORT_TEMP 0x1616 > #define HDAPS_PORT_XVAR 0x1617 > #define HDAPS_PORT_YVAR 0x1619 > #define HDAPS_PORT_TEMP2 0x161b > #define HDAPS_PORT_UNKNOWN 0x161c > #define HDAPS_PORT_KMACCT 0x161d > > #endif /* __IBM_HDAPS_H__ */ > --- Makefile.org 2005-07-04 07:58:53.000000000 +0200 > +++ Makefile 2005-07-04 07:57:50.000000000 +0200 > @@ -26,3 +26,7 @@ > install -d $(KMISC) > install -m 644 -c $(addsuffix .ko,$(list-m)) $(KMISC) > /sbin/depmod -a > + > +uninstall: > + rm -f $(KMISC)/$(addsuffix .ko,$(list-m)) > + /sbin/depmod -a -- Andrey Panin | Linux and UNIX system administrator [email protected] | PGP key: wwwkeys.pgp.net
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- IBM HDAPS things are looking up (was: Re: [Hdaps-devel] Re: [ltp] IBM HDAPS Someone interested? (Accelerometer))
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