Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753060AbYKEW6r (ORCPT ); Wed, 5 Nov 2008 17:58:47 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751919AbYKEW6i (ORCPT ); Wed, 5 Nov 2008 17:58:38 -0500 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:43511 "EHLO gprs189-60.eurotel.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751041AbYKEW6f (ORCPT ); Wed, 5 Nov 2008 17:58:35 -0500 Date: Thu, 6 Nov 2008 00:00:14 +0100 From: Pavel Machek To: Eric Piel Cc: Thomas Renninger , burman.yan@gmail.com, rpurdie@rpsys.net, LKML , Len Brown Subject: Re: leds-hp-disk vs lis3lv02d Message-ID: <20081105230013.GA12845@elf.ucw.cz> References: <200810162255.m9GMtKj4001733@imap1.linux-foundation.org> <200810192106.15905.trenn@suse.de> <20081019204819.GC1465@ucw.cz> <4902F817.4050108@tremplin-utc.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4902F817.4050108@tremplin-utc.net> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 21228 Lines: 704 On Sat 2008-10-25 12:42:31, Eric Piel wrote: > Pavel Machek schreef: > > Hi! > > > >> shouldn't this one be integrated into Eric's/Yan's driver? > > > > It is separate piece of hardware, completely unrelated to lids3v > > chip. No, it should not be integrated, but I'll makesure they work > > toggether well. > Hello, > I think I talked too fast: it seems impossible to have both drivers > (leds-hp-disk and lis3lv02d) working at the same time. Only the first > driver loaded is used. > > After a little look at it, I think it comes from the fact that both > drivers are assigned to the same MODALIAS (HPQ0004). The ACPI PNP > (through the generic bus infrastructure) only declare the device to one > of the drivers supporting it, not all of them. > > How can I tell to ACPI that it should load both drivers for the same PNP > ID match? Ok, I guess lis3lv.c should be split into hw-dependend and acpi-dependend parts, and then we can merge led driver and the acpi parts....? This is version that compiles :-)... relative to latest -mm. Pavel diff -ur clean-mm/drivers/hwmon/Makefile linux-mm/drivers/hwmon/Makefile --- clean-mm/drivers/hwmon/Makefile 2008-11-05 23:48:31.000000000 +0100 +++ linux-mm/drivers/hwmon/Makefile 2008-11-05 23:22:15.000000000 +0100 @@ -48,7 +48,7 @@ obj-$(CONFIG_SENSORS_IBMPEX) += ibmpex.o obj-$(CONFIG_SENSORS_IT87) += it87.o obj-$(CONFIG_SENSORS_K8TEMP) += k8temp.o -obj-$(CONFIG_SENSORS_LIS3LV02D) += lis3lv02d.o +obj-$(CONFIG_SENSORS_LIS3LV02D) += lis3lv02d.o hp_accel.o obj-$(CONFIG_SENSORS_LM63) += lm63.o obj-$(CONFIG_SENSORS_LM70) += lm70.o obj-$(CONFIG_SENSORS_LM75) += lm75.o diff -ur clean-mm/drivers/hwmon/hp_accel.c linux-mm/drivers/hwmon/hp_accel.c --- clean-mm/drivers/hwmon/hp_accel.c 2008-11-05 23:53:06.000000000 +0100 +++ linux-mm/drivers/hwmon/hp_accel.c 2008-11-05 23:49:16.000000000 +0100 @@ -0,0 +1,261 @@ +/* + * hp_accel.c - Interface between LIS3LV02DL driver and HP ACPI BIOS + * + * Copyright (C) 2007-2008 Yan Burman + * Copyright (C) 2008 Eric Piel + * Copyright (C) 2008 Pavel Machek + * + * 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 + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "lis3lv02d.h" + +#define DRIVER_NAME "lis3lv02d" +#define ACPI_MDPS_CLASS "accelerometer" + + +/* For automatic insertion of the module */ +static struct acpi_device_id lis3lv02d_device_ids[] = { + {"HPQ0004", 0}, /* HP Mobile Data Protection System PNP */ + {"", 0}, +}; +MODULE_DEVICE_TABLE(acpi, lis3lv02d_device_ids); + + +/** + * lis3lv02d_acpi_init - ACPI _INI method: initialize the device. + * @handle: the handle of the device + * + * Returns AE_OK on success. + */ +acpi_status lis3lv02d_acpi_init(acpi_handle handle) +{ + return acpi_evaluate_object(handle, METHOD_NAME__INI, NULL, NULL); +} + +/** + * lis3lv02d_acpi_read - ACPI ALRD method: read a register + * @handle: the handle of the device + * @reg: the register to read + * @ret: result of the operation + * + * Returns AE_OK on success. + */ +acpi_status lis3lv02d_acpi_read(acpi_handle handle, int reg, u8 *ret) +{ + union acpi_object arg0 = { ACPI_TYPE_INTEGER }; + struct acpi_object_list args = { 1, &arg0 }; + unsigned long long lret; + acpi_status status; + + arg0.integer.value = reg; + + status = acpi_evaluate_integer(handle, "ALRD", &args, &lret); + *ret = lret; + return status; +} + +/** + * lis3lv02d_acpi_write - ACPI ALWR method: write to a register + * @handle: the handle of the device + * @reg: the register to write to + * @val: the value to write + * + * Returns AE_OK on success. + */ +acpi_status lis3lv02d_acpi_write(acpi_handle handle, int reg, u8 val) +{ + unsigned long long ret; /* Not used when writting */ + union acpi_object in_obj[2]; + struct acpi_object_list args = { 2, in_obj }; + + in_obj[0].type = ACPI_TYPE_INTEGER; + in_obj[0].integer.value = reg; + in_obj[1].type = ACPI_TYPE_INTEGER; + in_obj[1].integer.value = val; + + return acpi_evaluate_integer(handle, "ALWR", &args, &ret); +} + +static int lis3lv02d_dmi_matched(const struct dmi_system_id *dmi) +{ + adev.ac = *((struct axis_conversion *)dmi->driver_data); + printk(KERN_INFO DRIVER_NAME ": hardware type %s found.\n", dmi->ident); + + return 1; +} + +/* Represents, for each axis seen by userspace, the corresponding hw axis (+1). + * If the value is negative, the opposite of the hw value is used. */ +static struct axis_conversion lis3lv02d_axis_normal = {1, 2, 3}; +static struct axis_conversion lis3lv02d_axis_y_inverted = {1, -2, 3}; +static struct axis_conversion lis3lv02d_axis_x_inverted = {-1, 2, 3}; +static struct axis_conversion lis3lv02d_axis_z_inverted = {1, 2, -3}; +static struct axis_conversion lis3lv02d_axis_xy_rotated_left = {-2, 1, 3}; +static struct axis_conversion lis3lv02d_axis_xy_swap_inverted = {-2, -1, 3}; + +#define AXIS_DMI_MATCH(_ident, _name, _axis) { \ + .ident = _ident, \ + .callback = lis3lv02d_dmi_matched, \ + .matches = { \ + DMI_MATCH(DMI_PRODUCT_NAME, _name) \ + }, \ + .driver_data = &lis3lv02d_axis_##_axis \ +} +static struct dmi_system_id lis3lv02d_dmi_ids[] = { + /* product names are truncated to match all kinds of a same model */ + AXIS_DMI_MATCH("NC64x0", "HP Compaq nc64", x_inverted), + AXIS_DMI_MATCH("NC84x0", "HP Compaq nc84", z_inverted), + AXIS_DMI_MATCH("NX9420", "HP Compaq nx9420", x_inverted), + AXIS_DMI_MATCH("NW9440", "HP Compaq nw9440", x_inverted), + AXIS_DMI_MATCH("NC2510", "HP Compaq 2510", y_inverted), + AXIS_DMI_MATCH("NC8510", "HP Compaq 8510", xy_swap_inverted), + AXIS_DMI_MATCH("HP2133", "HP 2133", xy_rotated_left), + { NULL, } +/* Laptop models without axis info (yet): + * "NC651xx" "HP Compaq 651" + * "NC671xx" "HP Compaq 671" + * "NC6910" "HP Compaq 6910" + * HP Compaq 8710x Notebook PC / Mobile Workstation + * "NC2400" "HP Compaq nc2400" + * "NX74x0" "HP Compaq nx74" + * "NX6325" "HP Compaq nx6325" + * "NC4400" "HP Compaq nc4400" + */ +}; + + +static int lis3lv02d_add(struct acpi_device *device) +{ + u8 val; + + if (!device) + return -EINVAL; + + adev.device = device; + strcpy(acpi_device_name(device), DRIVER_NAME); + strcpy(acpi_device_class(device), ACPI_MDPS_CLASS); + device->driver_data = &adev; + + lis3lv02d_acpi_read(device->handle, WHO_AM_I, &val); + if ((val != LIS3LV02DL_ID) && (val != LIS302DL_ID)) { + printk(KERN_ERR DRIVER_NAME + ": Accelerometer chip not LIS3LV02D{L,Q}\n"); + } + + /* If possible use a "standard" axes order */ + if (dmi_check_system(lis3lv02d_dmi_ids) == 0) { + printk(KERN_INFO DRIVER_NAME ": laptop model unknown, " + "using default axes configuration\n"); + adev.ac = lis3lv02d_axis_normal; + } + + return lis3lv02d_init_device(&adev); +} + +static int lis3lv02d_remove(struct acpi_device *device, int type) +{ + if (!device) + return -EINVAL; + + lis3lv02d_joystick_disable(); + lis3lv02d_poweroff(device->handle); + + return lis3lv02d_remove_fs(); +} + + +#ifdef CONFIG_PM +static int lis3lv02d_suspend(struct acpi_device *device, pm_message_t state) +{ + /* make sure the device is off when we suspend */ + lis3lv02d_poweroff(device->handle); + return 0; +} + +static int lis3lv02d_resume(struct acpi_device *device) +{ + /* put back the device in the right state (ACPI might turn it on) */ + mutex_lock(&adev.lock); + if (adev.usage > 0) + lis3lv02d_poweron(device->handle); + else + lis3lv02d_poweroff(device->handle); + mutex_unlock(&adev.lock); + return 0; +} +#else +#define lis3lv02d_suspend NULL +#define lis3lv02d_resume NULL +#endif + +/* For the HP MDPS aka 3D Driveguard */ +static struct acpi_driver lis3lv02d_driver = { + .name = DRIVER_NAME, + .class = ACPI_MDPS_CLASS, + .ids = lis3lv02d_device_ids, + .ops = { + .add = lis3lv02d_add, + .remove = lis3lv02d_remove, + .suspend = lis3lv02d_suspend, + .resume = lis3lv02d_resume, + } +}; + +static int __init lis3lv02d_init_module(void) +{ + int ret; + + if (acpi_disabled) + return -ENODEV; + + ret = acpi_bus_register_driver(&lis3lv02d_driver); + if (ret < 0) + return ret; + + printk(KERN_INFO DRIVER_NAME " driver loaded.\n"); + + return 0; +} + +static void __exit lis3lv02d_exit_module(void) +{ + acpi_bus_unregister_driver(&lis3lv02d_driver); +} + +MODULE_DESCRIPTION("Glue between LIS3LV02Dx and HP ACPI BIOS"); +MODULE_AUTHOR("Yan Burman, Eric Piel, Pavel Machek"); +MODULE_LICENSE("GPL"); + +module_init(lis3lv02d_init_module); +module_exit(lis3lv02d_exit_module); diff -ur clean-mm/drivers/hwmon/lis3lv02d.c linux-mm/drivers/hwmon/lis3lv02d.c --- clean-mm/drivers/hwmon/lis3lv02d.c 2008-11-05 23:48:31.000000000 +0100 +++ linux-mm/drivers/hwmon/lis3lv02d.c 2008-11-05 23:53:41.000000000 +0100 @@ -3,6 +3,7 @@ * * Copyright (C) 2007-2008 Yan Burman * Copyright (C) 2008 Eric Piel + * Copyright (C) 2008 Pavel Machek * * 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 @@ -42,6 +43,7 @@ #define DRIVER_NAME "lis3lv02d" #define ACPI_MDPS_CLASS "accelerometer" + /* joystick device poll interval in milliseconds */ #define MDPS_POLL_INTERVAL 50 /* @@ -56,94 +58,12 @@ /* Maximum value our axis may get for the input device (signed 12 bits) */ #define MDPS_MAX_VAL 2048 -struct axis_conversion { - s8 x; - s8 y; - s8 z; -}; -struct acpi_lis3lv02d { - struct acpi_device *device; /* The ACPI device */ - struct input_dev *idev; /* input device */ - struct task_struct *kthread; /* kthread for input */ - struct mutex lock; - struct platform_device *pdev; /* platform device */ - atomic_t count; /* interrupt count after last read */ - int xcalib; /* calibrated null value for x */ - int ycalib; /* calibrated null value for y */ - int zcalib; /* calibrated null value for z */ - unsigned char is_on; /* whether the device is on or off */ - unsigned char usage; /* usage counter */ - struct axis_conversion ac; /* hw -> logical axis */ -}; -static struct acpi_lis3lv02d adev; +struct acpi_lis3lv02d adev; -static int lis3lv02d_remove_fs(void); static int lis3lv02d_add_fs(struct acpi_device *device); -/* For automatic insertion of the module */ -static struct acpi_device_id lis3lv02d_device_ids[] = { - {"HPQ0004", 0}, /* HP Mobile Data Protection System PNP */ - {"", 0}, -}; -MODULE_DEVICE_TABLE(acpi, lis3lv02d_device_ids); - -/** - * lis3lv02d_acpi_init - ACPI _INI method: initialize the device. - * @handle: the handle of the device - * - * Returns AE_OK on success. - */ -static inline acpi_status lis3lv02d_acpi_init(acpi_handle handle) -{ - return acpi_evaluate_object(handle, METHOD_NAME__INI, NULL, NULL); -} - -/** - * lis3lv02d_acpi_read - ACPI ALRD method: read a register - * @handle: the handle of the device - * @reg: the register to read - * @ret: result of the operation - * - * Returns AE_OK on success. - */ -static acpi_status lis3lv02d_acpi_read(acpi_handle handle, int reg, u8 *ret) -{ - union acpi_object arg0 = { ACPI_TYPE_INTEGER }; - struct acpi_object_list args = { 1, &arg0 }; - unsigned long long lret; - acpi_status status; - - arg0.integer.value = reg; - - status = acpi_evaluate_integer(handle, "ALRD", &args, &lret); - *ret = lret; - return status; -} - -/** - * lis3lv02d_acpi_write - ACPI ALWR method: write to a register - * @handle: the handle of the device - * @reg: the register to write to - * @val: the value to write - * - * Returns AE_OK on success. - */ -static acpi_status lis3lv02d_acpi_write(acpi_handle handle, int reg, u8 val) -{ - unsigned long long ret; /* Not used when writting */ - union acpi_object in_obj[2]; - struct acpi_object_list args = { 2, in_obj }; - - in_obj[0].type = ACPI_TYPE_INTEGER; - in_obj[0].integer.value = reg; - in_obj[1].type = ACPI_TYPE_INTEGER; - in_obj[1].integer.value = val; - - return acpi_evaluate_integer(handle, "ALWR", &args, &ret); -} - static s16 lis3lv02d_read_16(acpi_handle handle, int reg) { u8 lo, hi; @@ -191,14 +111,14 @@ *z = lis3lv02d_get_axis(adev.ac.z, position); } -static inline void lis3lv02d_poweroff(acpi_handle handle) +void lis3lv02d_poweroff(acpi_handle handle) { adev.is_on = 0; /* disable X,Y,Z axis and power down */ lis3lv02d_acpi_write(handle, CTRL_REG1, 0x00); } -static void lis3lv02d_poweron(acpi_handle handle) +void lis3lv02d_poweron(acpi_handle handle) { u8 val; @@ -215,30 +135,6 @@ lis3lv02d_acpi_write(handle, CTRL_REG2, val); } -#ifdef CONFIG_PM -static int lis3lv02d_suspend(struct acpi_device *device, pm_message_t state) -{ - /* make sure the device is off when we suspend */ - lis3lv02d_poweroff(device->handle); - return 0; -} - -static int lis3lv02d_resume(struct acpi_device *device) -{ - /* put back the device in the right state (ACPI might turn it on) */ - mutex_lock(&adev.lock); - if (adev.usage > 0) - lis3lv02d_poweron(device->handle); - else - lis3lv02d_poweroff(device->handle); - mutex_unlock(&adev.lock); - return 0; -} -#else -#define lis3lv02d_suspend NULL -#define lis3lv02d_resume NULL -#endif - /* * To be called before starting to use the device. It makes sure that the @@ -316,7 +212,7 @@ lis3lv02d_get_xyz(adev.device->handle, &adev.xcalib, &adev.ycalib, &adev.zcalib); } -static int lis3lv02d_joystick_enable(void) +int lis3lv02d_joystick_enable(void) { int err; @@ -351,7 +247,7 @@ return err; } -static void lis3lv02d_joystick_disable(void) +void lis3lv02d_joystick_disable(void) { if (!adev.idev) return; @@ -361,11 +257,12 @@ } + /* * Initialise the accelerometer and the various subsystems. * Should be rather independant of the bus system. */ -static int lis3lv02d_init_device(struct acpi_lis3lv02d *dev) +int lis3lv02d_init_device(struct acpi_lis3lv02d *dev) { mutex_init(&dev->lock); lis3lv02d_add_fs(dev->device); @@ -378,91 +275,6 @@ return 0; } -static int lis3lv02d_dmi_matched(const struct dmi_system_id *dmi) -{ - adev.ac = *((struct axis_conversion *)dmi->driver_data); - printk(KERN_INFO DRIVER_NAME ": hardware type %s found.\n", dmi->ident); - - return 1; -} - -/* Represents, for each axis seen by userspace, the corresponding hw axis (+1). - * If the value is negative, the opposite of the hw value is used. */ -static struct axis_conversion lis3lv02d_axis_normal = {1, 2, 3}; -static struct axis_conversion lis3lv02d_axis_y_inverted = {1, -2, 3}; -static struct axis_conversion lis3lv02d_axis_x_inverted = {-1, 2, 3}; -static struct axis_conversion lis3lv02d_axis_z_inverted = {1, 2, -3}; -static struct axis_conversion lis3lv02d_axis_xy_rotated_left = {-2, 1, 3}; -static struct axis_conversion lis3lv02d_axis_xy_swap_inverted = {-2, -1, 3}; - -#define AXIS_DMI_MATCH(_ident, _name, _axis) { \ - .ident = _ident, \ - .callback = lis3lv02d_dmi_matched, \ - .matches = { \ - DMI_MATCH(DMI_PRODUCT_NAME, _name) \ - }, \ - .driver_data = &lis3lv02d_axis_##_axis \ -} -static struct dmi_system_id lis3lv02d_dmi_ids[] = { - /* product names are truncated to match all kinds of a same model */ - AXIS_DMI_MATCH("NC64x0", "HP Compaq nc64", x_inverted), - AXIS_DMI_MATCH("NC84x0", "HP Compaq nc84", z_inverted), - AXIS_DMI_MATCH("NX9420", "HP Compaq nx9420", x_inverted), - AXIS_DMI_MATCH("NW9440", "HP Compaq nw9440", x_inverted), - AXIS_DMI_MATCH("NC2510", "HP Compaq 2510", y_inverted), - AXIS_DMI_MATCH("NC8510", "HP Compaq 8510", xy_swap_inverted), - AXIS_DMI_MATCH("HP2133", "HP 2133", xy_rotated_left), - { NULL, } -/* Laptop models without axis info (yet): - * "NC651xx" "HP Compaq 651" - * "NC671xx" "HP Compaq 671" - * "NC6910" "HP Compaq 6910" - * HP Compaq 8710x Notebook PC / Mobile Workstation - * "NC2400" "HP Compaq nc2400" - * "NX74x0" "HP Compaq nx74" - * "NX6325" "HP Compaq nx6325" - * "NC4400" "HP Compaq nc4400" - */ -}; - -static int lis3lv02d_add(struct acpi_device *device) -{ - u8 val; - - if (!device) - return -EINVAL; - - adev.device = device; - strcpy(acpi_device_name(device), DRIVER_NAME); - strcpy(acpi_device_class(device), ACPI_MDPS_CLASS); - device->driver_data = &adev; - - lis3lv02d_acpi_read(device->handle, WHO_AM_I, &val); - if ((val != LIS3LV02DL_ID) && (val != LIS302DL_ID)) { - printk(KERN_ERR DRIVER_NAME - ": Accelerometer chip not LIS3LV02D{L,Q}\n"); - } - - /* If possible use a "standard" axes order */ - if (dmi_check_system(lis3lv02d_dmi_ids) == 0) { - printk(KERN_INFO DRIVER_NAME ": laptop model unknown, " - "using default axes configuration\n"); - adev.ac = lis3lv02d_axis_normal; - } - - return lis3lv02d_init_device(&adev); -} - -static int lis3lv02d_remove(struct acpi_device *device, int type) -{ - if (!device) - return -EINVAL; - - lis3lv02d_joystick_disable(); - lis3lv02d_poweroff(device->handle); - - return lis3lv02d_remove_fs(); -} /* Sysfs stuff */ @@ -524,6 +336,7 @@ .attrs = lis3lv02d_attributes }; + static int lis3lv02d_add_fs(struct acpi_device *device) { adev.pdev = platform_device_register_simple(DRIVER_NAME, -1, NULL, 0); @@ -533,50 +346,13 @@ return sysfs_create_group(&adev.pdev->dev.kobj, &lis3lv02d_attribute_group); } -static int lis3lv02d_remove_fs(void) +int lis3lv02d_remove_fs(void) { sysfs_remove_group(&adev.pdev->dev.kobj, &lis3lv02d_attribute_group); platform_device_unregister(adev.pdev); return 0; } -/* For the HP MDPS aka 3D Driveguard */ -static struct acpi_driver lis3lv02d_driver = { - .name = DRIVER_NAME, - .class = ACPI_MDPS_CLASS, - .ids = lis3lv02d_device_ids, - .ops = { - .add = lis3lv02d_add, - .remove = lis3lv02d_remove, - .suspend = lis3lv02d_suspend, - .resume = lis3lv02d_resume, - } -}; - -static int __init lis3lv02d_init_module(void) -{ - int ret; - - if (acpi_disabled) - return -ENODEV; - - ret = acpi_bus_register_driver(&lis3lv02d_driver); - if (ret < 0) - return ret; - - printk(KERN_INFO DRIVER_NAME " driver loaded.\n"); - - return 0; -} - -static void __exit lis3lv02d_exit_module(void) -{ - acpi_bus_unregister_driver(&lis3lv02d_driver); -} - MODULE_DESCRIPTION("ST LIS3LV02Dx three-axis digital accelerometer driver"); MODULE_AUTHOR("Yan Burman and Eric Piel"); MODULE_LICENSE("GPL"); - -module_init(lis3lv02d_init_module); -module_exit(lis3lv02d_exit_module); Only in linux-mm/drivers/hwmon: lis3lv02d.c~ diff -ur clean-mm/drivers/hwmon/lis3lv02d.h linux-mm/drivers/hwmon/lis3lv02d.h --- clean-mm/drivers/hwmon/lis3lv02d.h 2008-11-05 23:48:31.000000000 +0100 +++ linux-mm/drivers/hwmon/lis3lv02d.h 2008-11-05 23:52:52.000000000 +0100 @@ -147,3 +147,36 @@ DD_SRC_IA = 0x40, }; +acpi_status lis3lv02d_acpi_init(acpi_handle handle); +acpi_status lis3lv02d_acpi_read(acpi_handle handle, int reg, u8 *ret); +acpi_status lis3lv02d_acpi_write(acpi_handle handle, int reg, u8 val); + +struct axis_conversion { + s8 x; + s8 y; + s8 z; +}; + +struct acpi_lis3lv02d { + struct acpi_device *device; /* The ACPI device */ + struct input_dev *idev; /* input device */ + struct task_struct *kthread; /* kthread for input */ + struct mutex lock; + struct platform_device *pdev; /* platform device */ + atomic_t count; /* interrupt count after last read */ + int xcalib; /* calibrated null value for x */ + int ycalib; /* calibrated null value for y */ + int zcalib; /* calibrated null value for z */ + unsigned char is_on; /* whether the device is on or off */ + unsigned char usage; /* usage counter */ + struct axis_conversion ac; /* hw -> logical axis */ +}; + +int lis3lv02d_init_device(struct acpi_lis3lv02d *dev); +int lis3lv02d_joystick_enable(void); +void lis3lv02d_joystick_disable(void); +void lis3lv02d_poweroff(acpi_handle handle); +void lis3lv02d_poweron(acpi_handle handle); +int lis3lv02d_remove_fs(void); + +extern struct acpi_lis3lv02d adev; -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/