#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/timer.h>
#include <linux/gpio.h>
#include <linux/hrtimer.h>
#include <linux/kthread.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include "cp_tm1217.h"

Data Structures
struct	touch_state

struct	cp_dev_info

struct	cp_vendor_info

struct	cp_tm1217_device

struct	cp_tm1217_device::input_dev_info

Macros
#define	CPTM1217_DEVICE_NAME "cptm1217"

#define	CPTM1217_DRIVER_NAME CPTM1217_DEVICE_NAME

#define	MAX_TOUCH_SUPPORTED 2

#define	TOUCH_SUPPORTED 1

#define	SAMPLING_FREQ 80 /* Frequency in HZ */

#define	DELAY_BTWIN_SAMPLE (1000 / SAMPLING_FREQ)

#define	WAIT_FOR_RESPONSE 5 /* 5msec just works */

#define	MAX_RETRIES 5 /* As above */

#define	INCREMENTAL_DELAY 5 /* As above */

#define	TMA1217_DEV_STATUS 0x13 /* Device Status */

#define	TMA1217_INT_STATUS 0x14 /* Interrupt Status */

#define	TMA1217_FINGER_STATE 0x18 /* Finger State */

#define	TMA1217_FINGER1_X_HIGHER8 0x19 /* Higher 8 bit of X coordinate */

#define	TMA1217_FINGER1_Y_HIGHER8 0x1A /* Higher 8 bit of Y coordinate */

#define	TMA1217_FINGER1_XY_LOWER4 0x1B /* Lower 4 bits of X and Y */

#define	TMA1217_FINGER1_Z_VALUE 0x1D /* 8 bit Z value for finger 1 */

#define	TMA1217_FINGER2_X_HIGHER8 0x1E /* Higher 8 bit of X coordinate */

#define	TMA1217_FINGER2_Y_HIGHER8 0x1F /* Higher 8 bit of Y coordinate */

#define	TMA1217_FINGER2_XY_LOWER4 0x20 /* Lower 4 bits of X and Y */

#define	TMA1217_FINGER2_Z_VALUE 0x22 /* 8 bit Z value for finger 2 */

#define	TMA1217_DEVICE_CTRL 0x23 /* Device Control */

#define	TMA1217_INTERRUPT_ENABLE 0x24 /* Interrupt Enable */

#define	TMA1217_REPORT_MODE 0x2B /* Reporting Mode */

#define	TMA1217_MAX_X_LOWER8 0x31 /* Bit 0-7 for Max X */

#define	TMA1217_MAX_X_HIGHER4 0x32 /* Bit 8-11 for Max X */

#define	TMA1217_MAX_Y_LOWER8 0x33 /* Bit 0-7 for Max Y */

#define	TMA1217_MAX_Y_HIGHER4 0x34 /* Bit 8-11 for Max Y */

#define	TMA1217_DEVICE_CMD_RESET 0x67 /* Device CMD reg for reset */

#define	TMA1217_DEVICE_CMD_REZERO 0x69 /* Device CMD reg for rezero */

#define	TMA1217_MANUFACTURER_ID 0x73 /* Manufacturer Id */

#define	TMA1217_PRODUCT_FAMILY 0x75 /* Product Family */

#define	TMA1217_FIRMWARE_REVISION 0x76 /* Firmware Revision */

#define	TMA1217_SERIAL_NO_HIGH 0x7C /* Bit 8-15 of device serial no. */

#define	TMA1217_SERIAL_NO_LOW 0x7D /* Bit 0-7 of device serial no. */

#define	TMA1217_PRODUCT_ID_START 0x7E /* Start address for 10 byte ID */

#define	TMA1217_DEVICE_CAPABILITY 0x8B /* Reporting capability */

Functions
	MODULE_DEVICE_TABLE (i2c, cp_tm1217_idtable)

	module_i2c_driver (cp_tm1217_driver)

	MODULE_AUTHOR ("Ramesh Agarwal <[email protected]>")

	MODULE_DESCRIPTION ("Synaptics TM1217 TouchScreen Driver")

	MODULE_LICENSE ("GPL v2")

Macro Definition Documentation

#define CPTM1217_DEVICE_NAME "cptm1217"

Definition at line 40 of file clearpad_tm1217.c.

#define CPTM1217_DRIVER_NAME CPTM1217_DEVICE_NAME

Definition at line 41 of file clearpad_tm1217.c.

#define DELAY_BTWIN_SAMPLE (1000 / SAMPLING_FREQ)

Definition at line 46 of file clearpad_tm1217.c.

#define INCREMENTAL_DELAY 5 /* As above */

Definition at line 49 of file clearpad_tm1217.c.

#define MAX_RETRIES 5 /* As above */

Definition at line 48 of file clearpad_tm1217.c.

#define MAX_TOUCH_SUPPORTED 2

Definition at line 43 of file clearpad_tm1217.c.

#define SAMPLING_FREQ 80 /* Frequency in HZ */

Definition at line 45 of file clearpad_tm1217.c.

#define TMA1217_DEV_STATUS 0x13 /* Device Status */

Definition at line 52 of file clearpad_tm1217.c.

#define TMA1217_DEVICE_CAPABILITY 0x8B /* Reporting capability */

Definition at line 83 of file clearpad_tm1217.c.

#define TMA1217_DEVICE_CMD_RESET 0x67 /* Device CMD reg for reset */

Definition at line 74 of file clearpad_tm1217.c.

#define TMA1217_DEVICE_CMD_REZERO 0x69 /* Device CMD reg for rezero */

Definition at line 75 of file clearpad_tm1217.c.

#define TMA1217_DEVICE_CTRL 0x23 /* Device Control */

Definition at line 67 of file clearpad_tm1217.c.

#define TMA1217_FINGER1_X_HIGHER8 0x19 /* Higher 8 bit of X coordinate */

Definition at line 59 of file clearpad_tm1217.c.

#define TMA1217_FINGER1_XY_LOWER4 0x1B /* Lower 4 bits of X and Y */

Definition at line 61 of file clearpad_tm1217.c.

#define TMA1217_FINGER1_Y_HIGHER8 0x1A /* Higher 8 bit of Y coordinate */

Definition at line 60 of file clearpad_tm1217.c.

#define TMA1217_FINGER1_Z_VALUE 0x1D /* 8 bit Z value for finger 1 */

Definition at line 62 of file clearpad_tm1217.c.

#define TMA1217_FINGER2_X_HIGHER8 0x1E /* Higher 8 bit of X coordinate */

Definition at line 63 of file clearpad_tm1217.c.

#define TMA1217_FINGER2_XY_LOWER4 0x20 /* Lower 4 bits of X and Y */

Definition at line 65 of file clearpad_tm1217.c.

#define TMA1217_FINGER2_Y_HIGHER8 0x1F /* Higher 8 bit of Y coordinate */

Definition at line 64 of file clearpad_tm1217.c.

#define TMA1217_FINGER2_Z_VALUE 0x22 /* 8 bit Z value for finger 2 */

Definition at line 66 of file clearpad_tm1217.c.

#define TMA1217_FINGER_STATE 0x18 /* Finger State */

Definition at line 58 of file clearpad_tm1217.c.

#define TMA1217_FIRMWARE_REVISION 0x76 /* Firmware Revision */

Definition at line 79 of file clearpad_tm1217.c.

#define TMA1217_INT_STATUS 0x14 /* Interrupt Status */

Definition at line 53 of file clearpad_tm1217.c.

#define TMA1217_INTERRUPT_ENABLE 0x24 /* Interrupt Enable */

Definition at line 68 of file clearpad_tm1217.c.

#define TMA1217_MANUFACTURER_ID 0x73 /* Manufacturer Id */

Definition at line 77 of file clearpad_tm1217.c.

#define TMA1217_MAX_X_HIGHER4 0x32 /* Bit 8-11 for Max X */

Definition at line 71 of file clearpad_tm1217.c.

#define TMA1217_MAX_X_LOWER8 0x31 /* Bit 0-7 for Max X */

Definition at line 70 of file clearpad_tm1217.c.

#define TMA1217_MAX_Y_HIGHER4 0x34 /* Bit 8-11 for Max Y */

Definition at line 73 of file clearpad_tm1217.c.

#define TMA1217_MAX_Y_LOWER8 0x33 /* Bit 0-7 for Max Y */

Definition at line 72 of file clearpad_tm1217.c.

#define TMA1217_PRODUCT_FAMILY 0x75 /* Product Family */

Definition at line 78 of file clearpad_tm1217.c.

#define TMA1217_PRODUCT_ID_START 0x7E /* Start address for 10 byte ID */

Definition at line 82 of file clearpad_tm1217.c.

#define TMA1217_REPORT_MODE 0x2B /* Reporting Mode */

Definition at line 69 of file clearpad_tm1217.c.

#define TMA1217_SERIAL_NO_HIGH 0x7C /* Bit 8-15 of device serial no. */

Definition at line 80 of file clearpad_tm1217.c.

#define TMA1217_SERIAL_NO_LOW 0x7D /* Bit 0-7 of device serial no. */

Definition at line 81 of file clearpad_tm1217.c.

#define TOUCH_SUPPORTED 1

Definition at line 44 of file clearpad_tm1217.c.

#define WAIT_FOR_RESPONSE 5 /* 5msec just works */

Definition at line 47 of file clearpad_tm1217.c.

Function Documentation

MODULE_AUTHOR ( "Ramesh Agarwal <[email protected]>" )

MODULE_DESCRIPTION ( "Synaptics TM1217 TouchScreen Driver" )

MODULE_DEVICE_TABLE	(	i2c	,
		cp_tm1217_idtable
	)

module_i2c_driver ( cp_tm1217_driver )

MODULE_LICENSE ( "GPL v2" )

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation