#include <linux/types.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/workqueue.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/input/tca8418_keypad.h>

Data Structures
struct	tca8418_keypad

Macros
#define	TCA8418_MAX_ROWS 8

#define	TCA8418_MAX_COLS 10

#define	REG_CFG 0x01

#define	REG_INT_STAT 0x02

#define	REG_KEY_LCK_EC 0x03

#define	REG_KEY_EVENT_A 0x04

#define	REG_KEY_EVENT_B 0x05

#define	REG_KEY_EVENT_C 0x06

#define	REG_KEY_EVENT_D 0x07

#define	REG_KEY_EVENT_E 0x08

#define	REG_KEY_EVENT_F 0x09

#define	REG_KEY_EVENT_G 0x0A

#define	REG_KEY_EVENT_H 0x0B

#define	REG_KEY_EVENT_I 0x0C

#define	REG_KEY_EVENT_J 0x0D

#define	REG_KP_LCK_TIMER 0x0E

#define	REG_UNLOCK1 0x0F

#define	REG_UNLOCK2 0x10

#define	REG_GPIO_INT_STAT1 0x11

#define	REG_GPIO_INT_STAT2 0x12

#define	REG_GPIO_INT_STAT3 0x13

#define	REG_GPIO_DAT_STAT1 0x14

#define	REG_GPIO_DAT_STAT2 0x15

#define	REG_GPIO_DAT_STAT3 0x16

#define	REG_GPIO_DAT_OUT1 0x17

#define	REG_GPIO_DAT_OUT2 0x18

#define	REG_GPIO_DAT_OUT3 0x19

#define	REG_GPIO_INT_EN1 0x1A

#define	REG_GPIO_INT_EN2 0x1B

#define	REG_GPIO_INT_EN3 0x1C

#define	REG_KP_GPIO1 0x1D

#define	REG_KP_GPIO2 0x1E

#define	REG_KP_GPIO3 0x1F

#define	REG_GPI_EM1 0x20

#define	REG_GPI_EM2 0x21

#define	REG_GPI_EM3 0x22

#define	REG_GPIO_DIR1 0x23

#define	REG_GPIO_DIR2 0x24

#define	REG_GPIO_DIR3 0x25

#define	REG_GPIO_INT_LVL1 0x26

#define	REG_GPIO_INT_LVL2 0x27

#define	REG_GPIO_INT_LVL3 0x28

#define	REG_DEBOUNCE_DIS1 0x29

#define	REG_DEBOUNCE_DIS2 0x2A

#define	REG_DEBOUNCE_DIS3 0x2B

#define	REG_GPIO_PULL1 0x2C

#define	REG_GPIO_PULL2 0x2D

#define	REG_GPIO_PULL3 0x2E

#define	CFG_AI BIT(7)

#define	CFG_GPI_E_CFG BIT(6)

#define	CFG_OVR_FLOW_M BIT(5)

#define	CFG_INT_CFG BIT(4)

#define	CFG_OVR_FLOW_IEN BIT(3)

#define	CFG_K_LCK_IEN BIT(2)

#define	CFG_GPI_IEN BIT(1)

#define	CFG_KE_IEN BIT(0)

#define	INT_STAT_CAD_INT BIT(4)

#define	INT_STAT_OVR_FLOW_INT BIT(3)

#define	INT_STAT_K_LCK_INT BIT(2)

#define	INT_STAT_GPI_INT BIT(1)

#define	INT_STAT_K_INT BIT(0)

#define	KEY_LCK_EC_KEC 0x7

#define	KEY_EVENT_CODE 0x7f

#define	KEY_EVENT_VALUE 0x80

Functions
	MODULE_DEVICE_TABLE (i2c, tca8418_id)

	subsys_initcall (tca8418_keypad_init)

	module_exit (tca8418_keypad_exit)

	MODULE_AUTHOR ("Kyle Manna <[email protected]>")

	MODULE_DESCRIPTION ("Keypad driver for TCA8418")

	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define CFG_AI BIT(7)

Definition at line 92 of file tca8418_keypad.c.

#define CFG_GPI_E_CFG BIT(6)

Definition at line 93 of file tca8418_keypad.c.

#define CFG_GPI_IEN BIT(1)

Definition at line 98 of file tca8418_keypad.c.

#define CFG_INT_CFG BIT(4)

Definition at line 95 of file tca8418_keypad.c.

#define CFG_K_LCK_IEN BIT(2)

Definition at line 97 of file tca8418_keypad.c.

#define CFG_KE_IEN BIT(0)

Definition at line 99 of file tca8418_keypad.c.

#define CFG_OVR_FLOW_IEN BIT(3)

Definition at line 96 of file tca8418_keypad.c.

#define CFG_OVR_FLOW_M BIT(5)

Definition at line 94 of file tca8418_keypad.c.

#define INT_STAT_CAD_INT BIT(4)

Definition at line 101 of file tca8418_keypad.c.

#define INT_STAT_GPI_INT BIT(1)

Definition at line 104 of file tca8418_keypad.c.

#define INT_STAT_K_INT BIT(0)

Definition at line 105 of file tca8418_keypad.c.

#define INT_STAT_K_LCK_INT BIT(2)

Definition at line 103 of file tca8418_keypad.c.

#define INT_STAT_OVR_FLOW_INT BIT(3)

Definition at line 102 of file tca8418_keypad.c.

#define KEY_EVENT_CODE 0x7f

Definition at line 109 of file tca8418_keypad.c.

#define KEY_EVENT_VALUE 0x80

Definition at line 110 of file tca8418_keypad.c.

#define KEY_LCK_EC_KEC 0x7

Definition at line 108 of file tca8418_keypad.c.

#define REG_CFG 0x01

Definition at line 44 of file tca8418_keypad.c.

#define REG_DEBOUNCE_DIS1 0x29

Definition at line 84 of file tca8418_keypad.c.

#define REG_DEBOUNCE_DIS2 0x2A

Definition at line 85 of file tca8418_keypad.c.

#define REG_DEBOUNCE_DIS3 0x2B

Definition at line 86 of file tca8418_keypad.c.

#define REG_GPI_EM1 0x20

Definition at line 75 of file tca8418_keypad.c.

#define REG_GPI_EM2 0x21

Definition at line 76 of file tca8418_keypad.c.

#define REG_GPI_EM3 0x22

Definition at line 77 of file tca8418_keypad.c.

#define REG_GPIO_DAT_OUT1 0x17

Definition at line 66 of file tca8418_keypad.c.

#define REG_GPIO_DAT_OUT2 0x18

Definition at line 67 of file tca8418_keypad.c.

#define REG_GPIO_DAT_OUT3 0x19

Definition at line 68 of file tca8418_keypad.c.

#define REG_GPIO_DAT_STAT1 0x14

Definition at line 63 of file tca8418_keypad.c.

#define REG_GPIO_DAT_STAT2 0x15

Definition at line 64 of file tca8418_keypad.c.

#define REG_GPIO_DAT_STAT3 0x16

Definition at line 65 of file tca8418_keypad.c.

#define REG_GPIO_DIR1 0x23

Definition at line 78 of file tca8418_keypad.c.

#define REG_GPIO_DIR2 0x24

Definition at line 79 of file tca8418_keypad.c.

#define REG_GPIO_DIR3 0x25

Definition at line 80 of file tca8418_keypad.c.

#define REG_GPIO_INT_EN1 0x1A

Definition at line 69 of file tca8418_keypad.c.

#define REG_GPIO_INT_EN2 0x1B

Definition at line 70 of file tca8418_keypad.c.

#define REG_GPIO_INT_EN3 0x1C

Definition at line 71 of file tca8418_keypad.c.

#define REG_GPIO_INT_LVL1 0x26

Definition at line 81 of file tca8418_keypad.c.

#define REG_GPIO_INT_LVL2 0x27

Definition at line 82 of file tca8418_keypad.c.

#define REG_GPIO_INT_LVL3 0x28

Definition at line 83 of file tca8418_keypad.c.

#define REG_GPIO_INT_STAT1 0x11

Definition at line 60 of file tca8418_keypad.c.

#define REG_GPIO_INT_STAT2 0x12

Definition at line 61 of file tca8418_keypad.c.

#define REG_GPIO_INT_STAT3 0x13

Definition at line 62 of file tca8418_keypad.c.

#define REG_GPIO_PULL1 0x2C

Definition at line 87 of file tca8418_keypad.c.

#define REG_GPIO_PULL2 0x2D

Definition at line 88 of file tca8418_keypad.c.

#define REG_GPIO_PULL3 0x2E

Definition at line 89 of file tca8418_keypad.c.

#define REG_INT_STAT 0x02

Definition at line 45 of file tca8418_keypad.c.

#define REG_KEY_EVENT_A 0x04

Definition at line 47 of file tca8418_keypad.c.

#define REG_KEY_EVENT_B 0x05

Definition at line 48 of file tca8418_keypad.c.

#define REG_KEY_EVENT_C 0x06

Definition at line 49 of file tca8418_keypad.c.

#define REG_KEY_EVENT_D 0x07

Definition at line 50 of file tca8418_keypad.c.

#define REG_KEY_EVENT_E 0x08

Definition at line 51 of file tca8418_keypad.c.

#define REG_KEY_EVENT_F 0x09

Definition at line 52 of file tca8418_keypad.c.

#define REG_KEY_EVENT_G 0x0A

Definition at line 53 of file tca8418_keypad.c.

#define REG_KEY_EVENT_H 0x0B

Definition at line 54 of file tca8418_keypad.c.

#define REG_KEY_EVENT_I 0x0C

Definition at line 55 of file tca8418_keypad.c.

#define REG_KEY_EVENT_J 0x0D

Definition at line 56 of file tca8418_keypad.c.

#define REG_KEY_LCK_EC 0x03

Definition at line 46 of file tca8418_keypad.c.

#define REG_KP_GPIO1 0x1D

Definition at line 72 of file tca8418_keypad.c.

#define REG_KP_GPIO2 0x1E

Definition at line 73 of file tca8418_keypad.c.

#define REG_KP_GPIO3 0x1F

Definition at line 74 of file tca8418_keypad.c.

#define REG_KP_LCK_TIMER 0x0E

Definition at line 57 of file tca8418_keypad.c.

#define REG_UNLOCK1 0x0F

Definition at line 58 of file tca8418_keypad.c.

#define REG_UNLOCK2 0x10

Definition at line 59 of file tca8418_keypad.c.

#define TCA8418_MAX_COLS 10

Definition at line 41 of file tca8418_keypad.c.

#define TCA8418_MAX_ROWS 8

Definition at line 40 of file tca8418_keypad.c.

Function Documentation

MODULE_AUTHOR ( "Kyle Manna <[email protected]>" )

MODULE_DESCRIPTION ( "Keypad driver for TCA8418" )

MODULE_DEVICE_TABLE	(	i2c	,
		tca8418_id
	)

module_exit ( tca8418_keypad_exit )

MODULE_LICENSE ( "GPL" )

subsys_initcall ( tca8418_keypad_init )

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation