appletouch.c File Reference

#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/usb/input.h>

Go to the source code of this file.

Data Structures
struct	atp_info
struct	atp

Macros
#define	ATP_DEVICE(prod, info)
#define	ATP_XSENSORS   26
#define	ATP_YSENSORS   16
#define	ATP_FUZZ   16
#define	ATP_PRESSURE   300
#define	ATP_THRESHOLD   5
#define	ATP_GEYSER_MODE_READ_REQUEST_ID   1
#define	ATP_GEYSER_MODE_WRITE_REQUEST_ID   9
#define	ATP_GEYSER_MODE_REQUEST_VALUE   0x300
#define	ATP_GEYSER_MODE_REQUEST_INDEX   0
#define	ATP_GEYSER_MODE_VENDOR_VALUE   0x04
#define	dbg_dump(msg, tab)
#define	dprintk(format, a...)
#define	ATP_URB_STATUS_SUCCESS   0
#define	ATP_URB_STATUS_ERROR   1
#define	ATP_URB_STATUS_ERROR_FATAL   2

Enumerations
enum	atp_status_bits { ATP_STATUS_BUTTON = BIT(0), ATP_STATUS_BASE_UPDATE = BIT(2), ATP_STATUS_FROM_RESET = BIT(4) }

Functions
	MODULE_DEVICE_TABLE (usb, atp_table)
	MODULE_AUTHOR ("Johannes Berg")
	MODULE_AUTHOR ("Stelian Pop")
	MODULE_AUTHOR ("Frank Arnold")
	MODULE_AUTHOR ("Michael Hanselmann")
	MODULE_AUTHOR ("Sven Anders")
	MODULE_DESCRIPTION ("Apple PowerBook and MacBook USB touchpad driver")
	MODULE_LICENSE ("GPL")
	module_param (threshold, int, 0644)
	MODULE_PARM_DESC (threshold,"Discard any change in data from a sensor"" (the trackpad has many of these sensors)"" less than this value.")
	module_param (debug, int, 0644)
	MODULE_PARM_DESC (debug,"Activate debugging output")
	module_usb_driver (atp_driver)

Macro Definition Documentation

#define ATP_DEVICE	(		prod,
			info
	)

Value:

{                               \
    .match_flags = USB_DEVICE_ID_MATCH_DEVICE |     \
               USB_DEVICE_ID_MATCH_INT_CLASS |      \
               USB_DEVICE_ID_MATCH_INT_PROTOCOL,    \
    .idVendor = 0x05ac, /* Apple */             \
    .idProduct = (prod),                    \
    .bInterfaceClass = 0x03,                \
    .bInterfaceProtocol = 0x02,             \
    .driver_info = (unsigned long) &info,           \
}

Definition at line 105 of file appletouch.c.

#define ATP_FUZZ   16

Definition at line 160 of file appletouch.c.

#define ATP_GEYSER_MODE_READ_REQUEST_ID   1

Definition at line 172 of file appletouch.c.

#define ATP_GEYSER_MODE_REQUEST_INDEX   0

Definition at line 175 of file appletouch.c.

#define ATP_GEYSER_MODE_REQUEST_VALUE   0x300

Definition at line 174 of file appletouch.c.

#define ATP_GEYSER_MODE_VENDOR_VALUE   0x04

Definition at line 176 of file appletouch.c.

#define ATP_GEYSER_MODE_WRITE_REQUEST_ID   9

Definition at line 173 of file appletouch.c.

#define ATP_PRESSURE   300

Definition at line 163 of file appletouch.c.

#define ATP_THRESHOLD   5

Definition at line 169 of file appletouch.c.

#define ATP_URB_STATUS_ERROR   1

Definition at line 399 of file appletouch.c.

#define ATP_URB_STATUS_ERROR_FATAL   2

Definition at line 400 of file appletouch.c.

#define ATP_URB_STATUS_SUCCESS   0

Definition at line 398 of file appletouch.c.

#define ATP_XSENSORS   26

Definition at line 156 of file appletouch.c.

#define ATP_YSENSORS   16

Definition at line 157 of file appletouch.c.

#define dbg_dump	(		msg,
			tab
	)

Value:

if (debug > 1) {                        \
        int __i;                        \
        printk(KERN_DEBUG "appletouch: %s", msg);       \
        for (__i = 0; __i < ATP_XSENSORS + ATP_YSENSORS; __i++) \
            printk(" %02x", tab[__i]);          \
        printk("\n");                       \
    }

Definition at line 216 of file appletouch.c.

#define dprintk	(		format,
			a...
	)

Value:

do {                                \
        if (debug)                      \
            printk(KERN_DEBUG format, ##a);         \
    } while (0)

Definition at line 225 of file appletouch.c.

Enumeration Type Documentation

enum atp_status_bits

enum atp_status_bits - status bit meanings

These constants represent the meaning of the status bits. (only Geyser 3/4)

: The button was pressed : Update of the base values (untouched pad) : Reset previously performed

Enumerator:

ATP_STATUS_BUTTON
ATP_STATUS_BASE_UPDATE
ATP_STATUS_FROM_RESET

Definition at line 188 of file appletouch.c.

Function Documentation

MODULE_AUTHOR

(

"Johannes Berg"

)

MODULE_AUTHOR

(

"Stelian Pop"

)

MODULE_AUTHOR

(

"Frank Arnold"

)

MODULE_AUTHOR

(

"Michael Hanselmann"

)

MODULE_AUTHOR

(

"Sven Anders"

)

MODULE_DESCRIPTION

(

"Apple PowerBook and MacBook USB touchpad driver"

)

MODULE_DEVICE_TABLE	(	usb	,
		atp_table
	)

MODULE_LICENSE

(

"GPL"

)

module_param	(	threshold	,
		int	,
		0644
	)

module_param	(	debug	,
		int	,
		0644
	)

MODULE_PARM_DESC	(	threshold	,
		"Discard any change in data from a sensor"" (the trackpad has many of these sensors)"" less than this value."
	)

MODULE_PARM_DESC	(	debug	,
		"Activate debugging output"
	)

module_usb_driver

(

atp_driver

)