[deliverable/linux.git] / drivers / platform / x86 / hp_accel.c

/*
 *  hp_accel.c - Interface between LIS3LV02DL driver and HP ACPI BIOS
 *
 *  Copyright (C) 2007-2008 Yan Burman
 *  Copyright (C) 2008 Eric Piel
 *  Copyright (C) 2008-2009 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
 */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/dmi.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/wait.h>
#include <linux/poll.h>
#include <linux/freezer.h>
#include <linux/uaccess.h>
#include <linux/leds.h>
#include <linux/atomic.h>
#include <linux/acpi.h>
#include "../../misc/lis3lv02d/lis3lv02d.h"

#define DRIVER_NAME     "hp_accel"
#define ACPI_MDPS_CLASS "accelerometer"

/* Delayed LEDs infrastructure ------------------------------------ */

/* Special LED class that can defer work */
struct delayed_led_classdev {
	struct led_classdev led_classdev;
	struct work_struct work;
	enum led_brightness new_brightness;

	unsigned int led;		/* For driver */
	void (*set_brightness)(struct delayed_led_classdev *data, enum led_brightness value);
};

static inline void delayed_set_status_worker(struct work_struct *work)
{
	struct delayed_led_classdev *data =
			container_of(work, struct delayed_led_classdev, work);

	data->set_brightness(data, data->new_brightness);
}

static inline void delayed_sysfs_set(struct led_classdev *led_cdev,
			      enum led_brightness brightness)
{
	struct delayed_led_classdev *data = container_of(led_cdev,
			     struct delayed_led_classdev, led_classdev);
	data->new_brightness = brightness;
	schedule_work(&data->work);
}

/* HP-specific accelerometer driver ------------------------------------ */

/* For automatic insertion of the module */
static const struct acpi_device_id lis3lv02d_device_ids[] = {
	{"HPQ0004", 0}, /* HP Mobile Data Protection System PNP */
	{"HPQ6000", 0}, /* HP Mobile Data Protection System PNP */
	{"HPQ6007", 0}, /* HP Mobile Data Protection System PNP */
	{"", 0},
};
MODULE_DEVICE_TABLE(acpi, lis3lv02d_device_ids);


/**
 * lis3lv02d_acpi_init - ACPI _INI method: initialize the device.
 * @lis3: pointer to the device struct
 *
 * Returns 0 on success.
 */
static int lis3lv02d_acpi_init(struct lis3lv02d *lis3)
{
	struct acpi_device *dev = lis3->bus_priv;
	if (acpi_evaluate_object(dev->handle, METHOD_NAME__INI,
				 NULL, NULL) != AE_OK)
		return -EINVAL;

	return 0;
}

/**
 * lis3lv02d_acpi_read - ACPI ALRD method: read a register
 * @lis3: pointer to the device struct
 * @reg:    the register to read
 * @ret:    result of the operation
 *
 * Returns 0 on success.
 */
static int lis3lv02d_acpi_read(struct lis3lv02d *lis3, int reg, u8 *ret)
{
	struct acpi_device *dev = lis3->bus_priv;
	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(dev->handle, "ALRD", &args, &lret);
	*ret = lret;
	return (status != AE_OK) ? -EINVAL : 0;
}

/**
 * lis3lv02d_acpi_write - ACPI ALWR method: write to a register
 * @lis3: pointer to the device struct
 * @reg:    the register to write to
 * @val:    the value to write
 *
 * Returns 0 on success.
 */
static int lis3lv02d_acpi_write(struct lis3lv02d *lis3, int reg, u8 val)
{
	struct acpi_device *dev = lis3->bus_priv;
	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;

	if (acpi_evaluate_integer(dev->handle, "ALWR", &args, &ret) != AE_OK)
		return -EINVAL;

	return 0;
}

static int lis3lv02d_dmi_matched(const struct dmi_system_id *dmi)
{
	lis3_dev.ac = *((union axis_conversion *)dmi->driver_data);
	pr_info("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. */
#define DEFINE_CONV(name, x, y, z)			      \
	static union axis_conversion lis3lv02d_axis_##name = \
		{ .as_array = { x, y, z } }
DEFINE_CONV(normal, 1, 2, 3);
DEFINE_CONV(y_inverted, 1, -2, 3);
DEFINE_CONV(x_inverted, -1, 2, 3);
DEFINE_CONV(z_inverted, 1, 2, -3);
DEFINE_CONV(xy_swap, 2, 1, 3);
DEFINE_CONV(xy_rotated_left, -2, 1, 3);
DEFINE_CONV(xy_rotated_left_usd, -2, 1, -3);
DEFINE_CONV(xy_swap_inverted, -2, -1, 3);
DEFINE_CONV(xy_rotated_right, 2, -1, 3);
DEFINE_CONV(xy_swap_yz_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		\
}

#define AXIS_DMI_MATCH2(_ident, _class1, _name1,	\
				_class2, _name2,	\
				_axis) {		\
	.ident = _ident,				\
	.callback = lis3lv02d_dmi_matched,		\
	.matches = {					\
		DMI_MATCH(DMI_##_class1, _name1),	\
		DMI_MATCH(DMI_##_class2, _name2),	\
	},						\
	.driver_data = &lis3lv02d_axis_##_axis		\
}
static const 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("NC2710", "HP Compaq 2710", xy_swap),
	AXIS_DMI_MATCH("NC8510", "HP Compaq 8510", xy_swap_inverted),
	AXIS_DMI_MATCH("HP2133", "HP 2133", xy_rotated_left),
	AXIS_DMI_MATCH("HP2140", "HP 2140", xy_swap_inverted),
	AXIS_DMI_MATCH("NC653x", "HP Compaq 653", xy_rotated_left_usd),
	AXIS_DMI_MATCH("NC6730b", "HP Compaq 6730b", xy_rotated_left_usd),
	AXIS_DMI_MATCH("NC6730s", "HP Compaq 6730s", xy_swap),
	AXIS_DMI_MATCH("NC651xx", "HP Compaq 651", xy_rotated_right),
	AXIS_DMI_MATCH("NC6710x", "HP Compaq 6710", xy_swap_yz_inverted),
	AXIS_DMI_MATCH("NC6715x", "HP Compaq 6715", y_inverted),
	AXIS_DMI_MATCH("NC693xx", "HP EliteBook 693", xy_rotated_right),
	AXIS_DMI_MATCH("NC693xx", "HP EliteBook 853", xy_swap),
	AXIS_DMI_MATCH("NC854xx", "HP EliteBook 854", y_inverted),
	AXIS_DMI_MATCH("NC273xx", "HP EliteBook 273", y_inverted),
	/* Intel-based HP Pavilion dv5 */
	AXIS_DMI_MATCH2("HPDV5_I",
			PRODUCT_NAME, "HP Pavilion dv5",
			BOARD_NAME, "3603",
			x_inverted),
	/* AMD-based HP Pavilion dv5 */
	AXIS_DMI_MATCH2("HPDV5_A",
			PRODUCT_NAME, "HP Pavilion dv5",
			BOARD_NAME, "3600",
			y_inverted),
	AXIS_DMI_MATCH("DV7", "HP Pavilion dv7", x_inverted),
	AXIS_DMI_MATCH("HP8710", "HP Compaq 8710", y_inverted),
	AXIS_DMI_MATCH("HDX18", "HP HDX 18", x_inverted),
	AXIS_DMI_MATCH("HPB432x", "HP ProBook 432", xy_rotated_left),
	AXIS_DMI_MATCH("HPB442x", "HP ProBook 442", xy_rotated_left),
	AXIS_DMI_MATCH("HPB452x", "HP ProBook 452", y_inverted),
	AXIS_DMI_MATCH("HPB522x", "HP ProBook 522", xy_swap),
	AXIS_DMI_MATCH("HPB532x", "HP ProBook 532", y_inverted),
	AXIS_DMI_MATCH("HPB655x", "HP ProBook 655", xy_swap_inverted),
	AXIS_DMI_MATCH("Mini510x", "HP Mini 510", xy_rotated_left_usd),
	AXIS_DMI_MATCH("HPB63xx", "HP ProBook 63", xy_swap),
	AXIS_DMI_MATCH("HPB64xx", "HP ProBook 64", xy_swap),
	AXIS_DMI_MATCH("HPB64xx", "HP EliteBook 84", xy_swap),
	AXIS_DMI_MATCH("HPB65xx", "HP ProBook 65", x_inverted),
	{ NULL, }
/* Laptop models without axis info (yet):
 * "NC6910" "HP Compaq 6910"
 * "NC2400" "HP Compaq nc2400"
 * "NX74x0" "HP Compaq nx74"
 * "NX6325" "HP Compaq nx6325"
 * "NC4400" "HP Compaq nc4400"
 */
};

static void hpled_set(struct delayed_led_classdev *led_cdev, enum led_brightness value)
{
	struct acpi_device *dev = lis3_dev.bus_priv;
	unsigned long long ret; /* Not used when writing */
	union acpi_object in_obj[1];
	struct acpi_object_list args = { 1, in_obj };

	in_obj[0].type          = ACPI_TYPE_INTEGER;
	in_obj[0].integer.value = !!value;

	acpi_evaluate_integer(dev->handle, "ALED", &args, &ret);
}

static struct delayed_led_classdev hpled_led = {
	.led_classdev = {
		.name			= "hp::hddprotect",
		.default_trigger	= "none",
		.brightness_set		= delayed_sysfs_set,
		.flags                  = LED_CORE_SUSPENDRESUME,
	},
	.set_brightness = hpled_set,
};

static acpi_status
lis3lv02d_get_resource(struct acpi_resource *resource, void *context)
{
	if (resource->type == ACPI_RESOURCE_TYPE_EXTENDED_IRQ) {
		struct acpi_resource_extended_irq *irq;
		u32 *device_irq = context;

		irq = &resource->data.extended_irq;
		*device_irq = irq->interrupts[0];
	}

	return AE_OK;
}

static void lis3lv02d_enum_resources(struct acpi_device *device)
{
	acpi_status status;

	status = acpi_walk_resources(device->handle, METHOD_NAME__CRS,
					lis3lv02d_get_resource, &lis3_dev.irq);
	if (ACPI_FAILURE(status))
		printk(KERN_DEBUG DRIVER_NAME ": Error getting resources\n");
}

static int lis3lv02d_add(struct acpi_device *device)
{
	int ret;

	if (!device)
		return -EINVAL;

	lis3_dev.bus_priv = device;
	lis3_dev.init = lis3lv02d_acpi_init;
	lis3_dev.read = lis3lv02d_acpi_read;
	lis3_dev.write = lis3lv02d_acpi_write;
	strcpy(acpi_device_name(device), DRIVER_NAME);
	strcpy(acpi_device_class(device), ACPI_MDPS_CLASS);
	device->driver_data = &lis3_dev;

	/* obtain IRQ number of our device from ACPI */
	lis3lv02d_enum_resources(device);

	/* If possible use a "standard" axes order */
	if (lis3_dev.ac.x && lis3_dev.ac.y && lis3_dev.ac.z) {
		pr_info("Using custom axes %d,%d,%d\n",
			lis3_dev.ac.x, lis3_dev.ac.y, lis3_dev.ac.z);
	} else if (dmi_check_system(lis3lv02d_dmi_ids) == 0) {
		pr_info("laptop model unknown, using default axes configuration\n");
		lis3_dev.ac = lis3lv02d_axis_normal;
	}

	/* call the core layer do its init */
	ret = lis3lv02d_init_device(&lis3_dev);
	if (ret)
		return ret;

	INIT_WORK(&hpled_led.work, delayed_set_status_worker);
	ret = led_classdev_register(NULL, &hpled_led.led_classdev);
	if (ret) {
		lis3lv02d_joystick_disable(&lis3_dev);
		lis3lv02d_poweroff(&lis3_dev);
		flush_work(&hpled_led.work);
		return ret;
	}

	return ret;
}

static int lis3lv02d_remove(struct acpi_device *device)
{
	if (!device)
		return -EINVAL;

	lis3lv02d_joystick_disable(&lis3_dev);
	lis3lv02d_poweroff(&lis3_dev);

	led_classdev_unregister(&hpled_led.led_classdev);
	flush_work(&hpled_led.work);

	return lis3lv02d_remove_fs(&lis3_dev);
}


#ifdef CONFIG_PM_SLEEP
static int lis3lv02d_suspend(struct device *dev)
{
	/* make sure the device is off when we suspend */
	lis3lv02d_poweroff(&lis3_dev);
	return 0;
}

static int lis3lv02d_resume(struct device *dev)
{
	lis3lv02d_poweron(&lis3_dev);
	return 0;
}

static SIMPLE_DEV_PM_OPS(hp_accel_pm, lis3lv02d_suspend, lis3lv02d_resume);
#define HP_ACCEL_PM (&hp_accel_pm)
#else
#define HP_ACCEL_PM 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,
	},
	.drv.pm = HP_ACCEL_PM,
};
module_acpi_driver(lis3lv02d_driver);

MODULE_DESCRIPTION("Glue between LIS3LV02Dx and HP ACPI BIOS and support for disk protection LED.");
MODULE_AUTHOR("Yan Burman, Eric Piel, Pavel Machek");
MODULE_LICENSE("GPL");
Commit	Line	Data
cfce41a6 EP	1	/*
	2	* hp_accel.c - Interface between LIS3LV02DL driver and HP ACPI BIOS
	3	*
	4	* Copyright (C) 2007-2008 Yan Burman
	5	* Copyright (C) 2008 Eric Piel
9e1c9d86	6	* Copyright (C) 2008-2009 Pavel Machek
cfce41a6 EP	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License as published by
	10	* the Free Software Foundation; either version 2 of the License, or
	11	* (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	21	*/
	22
53ab0e68 JP	23	#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
53ab0e68 JP	24
cfce41a6 EP	25	#include <linux/kernel.h>
	26	#include <linux/init.h>
	27	#include <linux/dmi.h>
	28	#include <linux/module.h>
	29	#include <linux/types.h>
	30	#include <linux/platform_device.h>
	31	#include <linux/interrupt.h>
cfce41a6 EP	32	#include <linux/delay.h>
	33	#include <linux/wait.h>
	34	#include <linux/poll.h>
	35	#include <linux/freezer.h>
cfce41a6	36	#include <linux/uaccess.h>
9e0c7978	37	#include <linux/leds.h>
efcfed9b	38	#include <linux/atomic.h>
8b48463f	39	#include <linux/acpi.h>
ff606677	40	#include "../../misc/lis3lv02d/lis3lv02d.h"
cfce41a6	41
96b4b9bf	42	#define DRIVER_NAME "hp_accel"
cfce41a6 EP	43	#define ACPI_MDPS_CLASS "accelerometer"
cfce41a6 EP	44
9e1c9d86 PM	45	/* Delayed LEDs infrastructure ------------------------------------ */
	46
	47	/* Special LED class that can defer work */
	48	struct delayed_led_classdev {
	49	struct led_classdev led_classdev;
	50	struct work_struct work;
	51	enum led_brightness new_brightness;
	52
	53	unsigned int led; /* For driver */
	54	void (set_brightness)(struct delayed_led_classdev data, enum led_brightness value);
	55	};
	56
	57	static inline void delayed_set_status_worker(struct work_struct *work)
	58	{
	59	struct delayed_led_classdev *data =
	60	container_of(work, struct delayed_led_classdev, work);
	61
	62	data->set_brightness(data, data->new_brightness);
	63	}
	64
	65	static inline void delayed_sysfs_set(struct led_classdev *led_cdev,
	66	enum led_brightness brightness)
	67	{
	68	struct delayed_led_classdev *data = container_of(led_cdev,
	69	struct delayed_led_classdev, led_classdev);
	70	data->new_brightness = brightness;
	71	schedule_work(&data->work);
	72	}
	73
	74	/* HP-specific accelerometer driver ------------------------------------ */
cfce41a6 EP	75
cfce41a6 EP	76	/* For automatic insertion of the module */
8a1a970a	77	static const struct acpi_device_id lis3lv02d_device_ids[] = {
cfce41a6	78	{"HPQ0004", 0}, /* HP Mobile Data Protection System PNP */
24570d22	79	{"HPQ6000", 0}, /* HP Mobile Data Protection System PNP */
b0ad4ff3	80	{"HPQ6007", 0}, /* HP Mobile Data Protection System PNP */
cfce41a6 EP	81	{"", 0},
	82	};
	83	MODULE_DEVICE_TABLE(acpi, lis3lv02d_device_ids);
	84
	85
	86	/**
	87	* lis3lv02d_acpi_init - ACPI _INI method: initialize the device.
a38da2ed	88	* @lis3: pointer to the device struct
cfce41a6	89	*
a38da2ed	90	* Returns 0 on success.
cfce41a6	91	*/
04b73387	92	static int lis3lv02d_acpi_init(struct lis3lv02d *lis3)
cfce41a6	93	{
a38da2ed DM	94	struct acpi_device *dev = lis3->bus_priv;
	95	if (acpi_evaluate_object(dev->handle, METHOD_NAME__INI,
	96	NULL, NULL) != AE_OK)
	97	return -EINVAL;
	98
	99	return 0;
cfce41a6 EP	100	}
	101
	102	/**
	103	* lis3lv02d_acpi_read - ACPI ALRD method: read a register
a38da2ed	104	* @lis3: pointer to the device struct
cfce41a6 EP	105	* @reg: the register to read
	106	* @ret: result of the operation
	107	*
a38da2ed	108	* Returns 0 on success.
cfce41a6	109	*/
04b73387	110	static int lis3lv02d_acpi_read(struct lis3lv02d lis3, int reg, u8 ret)
cfce41a6	111	{
a38da2ed	112	struct acpi_device *dev = lis3->bus_priv;
cfce41a6 EP	113	union acpi_object arg0 = { ACPI_TYPE_INTEGER };
	114	struct acpi_object_list args = { 1, &arg0 };
	115	unsigned long long lret;
	116	acpi_status status;
	117
	118	arg0.integer.value = reg;
	119
a38da2ed	120	status = acpi_evaluate_integer(dev->handle, "ALRD", &args, &lret);
cfce41a6	121	*ret = lret;
a38da2ed	122	return (status != AE_OK) ? -EINVAL : 0;
cfce41a6 EP	123	}
	124
	125	/**
	126	* lis3lv02d_acpi_write - ACPI ALWR method: write to a register
a38da2ed	127	* @lis3: pointer to the device struct
cfce41a6 EP	128	* @reg: the register to write to
	129	* @val: the value to write
	130	*
a38da2ed	131	* Returns 0 on success.
cfce41a6	132	*/
04b73387	133	static int lis3lv02d_acpi_write(struct lis3lv02d *lis3, int reg, u8 val)
cfce41a6	134	{
a38da2ed	135	struct acpi_device *dev = lis3->bus_priv;
cfce41a6 EP	136	unsigned long long ret; /* Not used when writting */
	137	union acpi_object in_obj[2];
	138	struct acpi_object_list args = { 2, in_obj };
	139
	140	in_obj[0].type = ACPI_TYPE_INTEGER;
	141	in_obj[0].integer.value = reg;
	142	in_obj[1].type = ACPI_TYPE_INTEGER;
	143	in_obj[1].integer.value = val;
	144
a38da2ed DM	145	if (acpi_evaluate_integer(dev->handle, "ALWR", &args, &ret) != AE_OK)
	146	return -EINVAL;
	147
	148	return 0;
cfce41a6 EP	149	}
	150
	151	static int lis3lv02d_dmi_matched(const struct dmi_system_id *dmi)
	152	{
2ee32144	153	lis3_dev.ac = ((union axis_conversion )dmi->driver_data);
53ab0e68	154	pr_info("hardware type %s found\n", dmi->ident);
cfce41a6 EP	155
	156	return 1;
	157	}
	158
	159	/* Represents, for each axis seen by userspace, the corresponding hw axis (+1).
	160	* If the value is negative, the opposite of the hw value is used. */
2ee32144 TI	161	#define DEFINE_CONV(name, x, y, z) \
	162	static union axis_conversion lis3lv02d_axis_##name = \
	163	{ .as_array = { x, y, z } }
	164	DEFINE_CONV(normal, 1, 2, 3);
	165	DEFINE_CONV(y_inverted, 1, -2, 3);
	166	DEFINE_CONV(x_inverted, -1, 2, 3);
	167	DEFINE_CONV(z_inverted, 1, 2, -3);
	168	DEFINE_CONV(xy_swap, 2, 1, 3);
	169	DEFINE_CONV(xy_rotated_left, -2, 1, 3);
	170	DEFINE_CONV(xy_rotated_left_usd, -2, 1, -3);
	171	DEFINE_CONV(xy_swap_inverted, -2, -1, 3);
	172	DEFINE_CONV(xy_rotated_right, 2, -1, 3);
	173	DEFINE_CONV(xy_swap_yz_inverted, 2, -1, -3);
cfce41a6 EP	174
	175	#define AXIS_DMI_MATCH(_ident, _name, _axis) { \
	176	.ident = _ident, \
	177	.callback = lis3lv02d_dmi_matched, \
	178	.matches = { \
	179	DMI_MATCH(DMI_PRODUCT_NAME, _name) \
	180	}, \
	181	.driver_data = &lis3lv02d_axis_##_axis \
	182	}
9ccf3b5e GB	183
	184	#define AXIS_DMI_MATCH2(_ident, _class1, _name1, \
	185	_class2, _name2, \
	186	_axis) { \
	187	.ident = _ident, \
	188	.callback = lis3lv02d_dmi_matched, \
	189	.matches = { \
	190	DMI_MATCH(DMI_##_class1, _name1), \
	191	DMI_MATCH(DMI_##_class2, _name2), \
	192	}, \
	193	.driver_data = &lis3lv02d_axis_##_axis \
	194	}
8a1a970a	195	static const struct dmi_system_id lis3lv02d_dmi_ids[] = {
cfce41a6 EP	196	/* product names are truncated to match all kinds of a same model */
	197	AXIS_DMI_MATCH("NC64x0", "HP Compaq nc64", x_inverted),
	198	AXIS_DMI_MATCH("NC84x0", "HP Compaq nc84", z_inverted),
	199	AXIS_DMI_MATCH("NX9420", "HP Compaq nx9420", x_inverted),
	200	AXIS_DMI_MATCH("NW9440", "HP Compaq nw9440", x_inverted),
	201	AXIS_DMI_MATCH("NC2510", "HP Compaq 2510", y_inverted),
0093716e	202	AXIS_DMI_MATCH("NC2710", "HP Compaq 2710", xy_swap),
cfce41a6 EP	203	AXIS_DMI_MATCH("NC8510", "HP Compaq 8510", xy_swap_inverted),
cfce41a6 EP	204	AXIS_DMI_MATCH("HP2133", "HP 2133", xy_rotated_left),
9d7639d3	205	AXIS_DMI_MATCH("HP2140", "HP 2140", xy_swap_inverted),
80eda5fb	206	AXIS_DMI_MATCH("NC653x", "HP Compaq 653", xy_rotated_left_usd),
a03018ff PH	207	AXIS_DMI_MATCH("NC6730b", "HP Compaq 6730b", xy_rotated_left_usd),
a03018ff PH	208	AXIS_DMI_MATCH("NC6730s", "HP Compaq 6730s", xy_swap),
6bfef2b3	209	AXIS_DMI_MATCH("NC651xx", "HP Compaq 651", xy_rotated_right),
0093716e EP	210	AXIS_DMI_MATCH("NC6710x", "HP Compaq 6710", xy_swap_yz_inverted),
	211	AXIS_DMI_MATCH("NC6715x", "HP Compaq 6715", y_inverted),
	212	AXIS_DMI_MATCH("NC693xx", "HP EliteBook 693", xy_rotated_right),
af19611c	213	AXIS_DMI_MATCH("NC693xx", "HP EliteBook 853", xy_swap),
cdeaf622	214	AXIS_DMI_MATCH("NC854xx", "HP EliteBook 854", y_inverted),
a17b81be	215	AXIS_DMI_MATCH("NC273xx", "HP EliteBook 273", y_inverted),
9ccf3b5e GB	216	/* Intel-based HP Pavilion dv5 */
	217	AXIS_DMI_MATCH2("HPDV5_I",
	218	PRODUCT_NAME, "HP Pavilion dv5",
	219	BOARD_NAME, "3603",
	220	x_inverted),
	221	/* AMD-based HP Pavilion dv5 */
	222	AXIS_DMI_MATCH2("HPDV5_A",
	223	PRODUCT_NAME, "HP Pavilion dv5",
	224	BOARD_NAME, "3600",
	225	y_inverted),
9d7639d3	226	AXIS_DMI_MATCH("DV7", "HP Pavilion dv7", x_inverted),
12a324b6	227	AXIS_DMI_MATCH("HP8710", "HP Compaq 8710", y_inverted),
2545f038	228	AXIS_DMI_MATCH("HDX18", "HP HDX 18", x_inverted),
9bd14a83 TI	229	AXIS_DMI_MATCH("HPB432x", "HP ProBook 432", xy_rotated_left),
	230	AXIS_DMI_MATCH("HPB442x", "HP ProBook 442", xy_rotated_left),
	231	AXIS_DMI_MATCH("HPB452x", "HP ProBook 452", y_inverted),
	232	AXIS_DMI_MATCH("HPB522x", "HP ProBook 522", xy_swap),
4e70598c	233	AXIS_DMI_MATCH("HPB532x", "HP ProBook 532", y_inverted),
d0b6a971	234	AXIS_DMI_MATCH("HPB655x", "HP ProBook 655", xy_swap_inverted),
37394050	235	AXIS_DMI_MATCH("Mini510x", "HP Mini 510", xy_rotated_left_usd),
85003c38 TI	236	AXIS_DMI_MATCH("HPB63xx", "HP ProBook 63", xy_swap),
	237	AXIS_DMI_MATCH("HPB64xx", "HP ProBook 64", xy_swap),
	238	AXIS_DMI_MATCH("HPB64xx", "HP EliteBook 84", xy_swap),
	239	AXIS_DMI_MATCH("HPB65xx", "HP ProBook 65", x_inverted),
cfce41a6 EP	240	{ NULL, }
cfce41a6 EP	241	/* Laptop models without axis info (yet):
cfce41a6	242	* "NC6910" "HP Compaq 6910"
cfce41a6 EP	243	* "NC2400" "HP Compaq nc2400"
	244	* "NX74x0" "HP Compaq nx74"
	245	* "NX6325" "HP Compaq nx6325"
	246	* "NC4400" "HP Compaq nc4400"
	247	*/
	248	};
	249
9e1c9d86	250	static void hpled_set(struct delayed_led_classdev *led_cdev, enum led_brightness value)
9e0c7978	251	{
a38da2ed	252	struct acpi_device *dev = lis3_dev.bus_priv;
9e0c7978 EP	253	unsigned long long ret; /* Not used when writing */
	254	union acpi_object in_obj[1];
	255	struct acpi_object_list args = { 1, in_obj };
	256
	257	in_obj[0].type = ACPI_TYPE_INTEGER;
9e1c9d86	258	in_obj[0].integer.value = !!value;
9e0c7978	259
a38da2ed	260	acpi_evaluate_integer(dev->handle, "ALED", &args, &ret);
9e0c7978 EP	261	}
9e0c7978 EP	262
9e1c9d86 PM	263	static struct delayed_led_classdev hpled_led = {
	264	.led_classdev = {
	265	.name = "hp::hddprotect",
	266	.default_trigger = "none",
	267	.brightness_set = delayed_sysfs_set,
	268	.flags = LED_CORE_SUSPENDRESUME,
	269	},
	270	.set_brightness = hpled_set,
9e0c7978	271	};
cfce41a6	272
ef2cfc79 PM	273	static acpi_status
	274	lis3lv02d_get_resource(struct acpi_resource resource, void context)
	275	{
	276	if (resource->type == ACPI_RESOURCE_TYPE_EXTENDED_IRQ) {
	277	struct acpi_resource_extended_irq *irq;
	278	u32 *device_irq = context;
	279
	280	irq = &resource->data.extended_irq;
	281	*device_irq = irq->interrupts[0];
	282	}
	283
	284	return AE_OK;
	285	}
	286
	287	static void lis3lv02d_enum_resources(struct acpi_device *device)
	288	{
	289	acpi_status status;
	290
	291	status = acpi_walk_resources(device->handle, METHOD_NAME__CRS,
be84cfc5	292	lis3lv02d_get_resource, &lis3_dev.irq);
ef2cfc79 PM	293	if (ACPI_FAILURE(status))
	294	printk(KERN_DEBUG DRIVER_NAME ": Error getting resources\n");
	295	}
	296
cfce41a6 EP	297	static int lis3lv02d_add(struct acpi_device *device)
cfce41a6 EP	298	{
9e0c7978	299	int ret;
cfce41a6 EP	300
	301	if (!device)
	302	return -EINVAL;
	303
a38da2ed	304	lis3_dev.bus_priv = device;
be84cfc5 PM	305	lis3_dev.init = lis3lv02d_acpi_init;
	306	lis3_dev.read = lis3lv02d_acpi_read;
	307	lis3_dev.write = lis3lv02d_acpi_write;
cfce41a6 EP	308	strcpy(acpi_device_name(device), DRIVER_NAME);
cfce41a6 EP	309	strcpy(acpi_device_class(device), ACPI_MDPS_CLASS);
be84cfc5	310	device->driver_data = &lis3_dev;
cfce41a6	311
a38da2ed DM	312	/* obtain IRQ number of our device from ACPI */
a38da2ed DM	313	lis3lv02d_enum_resources(device);
cfce41a6 EP	314
cfce41a6 EP	315	/* If possible use a "standard" axes order */
2ee32144	316	if (lis3_dev.ac.x && lis3_dev.ac.y && lis3_dev.ac.z) {
53ab0e68 JP	317	pr_info("Using custom axes %d,%d,%d\n",
53ab0e68 JP	318	lis3_dev.ac.x, lis3_dev.ac.y, lis3_dev.ac.z);
2ee32144	319	} else if (dmi_check_system(lis3lv02d_dmi_ids) == 0) {
53ab0e68	320	pr_info("laptop model unknown, using default axes configuration\n");
be84cfc5	321	lis3_dev.ac = lis3lv02d_axis_normal;
cfce41a6 EP	322	}
cfce41a6 EP	323
a38da2ed DM	324	/* call the core layer do its init */
a38da2ed DM	325	ret = lis3lv02d_init_device(&lis3_dev);
9e0c7978 EP	326	if (ret)
	327	return ret;
	328
a38da2ed DM	329	INIT_WORK(&hpled_led.work, delayed_set_status_worker);
a38da2ed DM	330	ret = led_classdev_register(NULL, &hpled_led.led_classdev);
9e0c7978	331	if (ret) {
e1e5687d	332	lis3lv02d_joystick_disable(&lis3_dev);
a38da2ed	333	lis3lv02d_poweroff(&lis3_dev);
9e1c9d86	334	flush_work(&hpled_led.work);
9e0c7978 EP	335	return ret;
	336	}
	337
	338	return ret;
cfce41a6 EP	339	}
cfce41a6 EP	340
51fac838	341	static int lis3lv02d_remove(struct acpi_device *device)
cfce41a6 EP	342	{
	343	if (!device)
	344	return -EINVAL;
	345
e1e5687d	346	lis3lv02d_joystick_disable(&lis3_dev);
a38da2ed	347	lis3lv02d_poweroff(&lis3_dev);
cfce41a6	348
9e1c9d86	349	led_classdev_unregister(&hpled_led.led_classdev);
06efbeb4	350	flush_work(&hpled_led.work);
9e0c7978	351
a002ee89	352	return lis3lv02d_remove_fs(&lis3_dev);
cfce41a6 EP	353	}
	354
	355
3567a4e2	356	#ifdef CONFIG_PM_SLEEP
4ce05b42	357	static int lis3lv02d_suspend(struct device *dev)
cfce41a6 EP	358	{
cfce41a6 EP	359	/* make sure the device is off when we suspend */
a38da2ed	360	lis3lv02d_poweroff(&lis3_dev);
cfce41a6 EP	361	return 0;
	362	}
	363
4ce05b42	364	static int lis3lv02d_resume(struct device *dev)
cfce41a6	365	{
77838199 SK	366	lis3lv02d_poweron(&lis3_dev);
77838199 SK	367	return 0;
cfce41a6	368	}
4ce05b42 RW	369
	370	static SIMPLE_DEV_PM_OPS(hp_accel_pm, lis3lv02d_suspend, lis3lv02d_resume);
	371	#define HP_ACCEL_PM (&hp_accel_pm)
cfce41a6	372	#else
4ce05b42	373	#define HP_ACCEL_PM NULL
cfce41a6 EP	374	#endif
	375
	376	/* For the HP MDPS aka 3D Driveguard */
	377	static struct acpi_driver lis3lv02d_driver = {
	378	.name = DRIVER_NAME,
	379	.class = ACPI_MDPS_CLASS,
	380	.ids = lis3lv02d_device_ids,
	381	.ops = {
	382	.add = lis3lv02d_add,
	383	.remove = lis3lv02d_remove,
4ce05b42 RW	384	},
4ce05b42 RW	385	.drv.pm = HP_ACCEL_PM,
cfce41a6	386	};
46f6471c	387	module_acpi_driver(lis3lv02d_driver);
cfce41a6	388
9e0c7978	389	MODULE_DESCRIPTION("Glue between LIS3LV02Dx and HP ACPI BIOS and support for disk protection LED.");
cfce41a6 EP	390	MODULE_AUTHOR("Yan Burman, Eric Piel, Pavel Machek");
cfce41a6 EP	391	MODULE_LICENSE("GPL");