#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/input.h>
#include <linux/platform_device.h>
#include <linux/i2c/twl.h>
#include <linux/slab.h>

Data Structures
struct	twl4030_keypad

Macros
#define	TWL4030_MAX_ROWS 8 /* TWL4030 hard limit */

#define	TWL4030_MAX_COLS 8

#define	TWL4030_ROW_SHIFT 4

#define	TWL4030_KEYMAP_SIZE (TWL4030_MAX_ROWS << TWL4030_ROW_SHIFT)

#define	PTV_PRESCALER 4

#define	KEYP_CTRL 0x00

#define	KEYP_DEB 0x01

#define	KEYP_LONG_KEY 0x02

#define	KEYP_LK_PTV 0x03

#define	KEYP_TIMEOUT_L 0x04

#define	KEYP_TIMEOUT_H 0x05

#define	KEYP_KBC 0x06

#define	KEYP_KBR 0x07

#define	KEYP_SMS 0x08

#define	KEYP_FULL_CODE_7_0 0x09 /* row 0 column status */

#define	KEYP_FULL_CODE_15_8 0x0a /* ... row 1 ... */

#define	KEYP_FULL_CODE_23_16 0x0b

#define	KEYP_FULL_CODE_31_24 0x0c

#define	KEYP_FULL_CODE_39_32 0x0d

#define	KEYP_FULL_CODE_47_40 0x0e

#define	KEYP_FULL_CODE_55_48 0x0f

#define	KEYP_FULL_CODE_63_56 0x10

#define	KEYP_ISR1 0x11

#define	KEYP_IMR1 0x12

#define	KEYP_ISR2 0x13

#define	KEYP_IMR2 0x14

#define	KEYP_SIR 0x15

#define	KEYP_EDR 0x16 /* edge triggers */

#define	KEYP_SIH_CTRL 0x17

#define	KEYP_CTRL_SOFT_NRST BIT(0)

#define	KEYP_CTRL_SOFTMODEN BIT(1)

#define	KEYP_CTRL_LK_EN BIT(2)

#define	KEYP_CTRL_TOE_EN BIT(3)

#define	KEYP_CTRL_TOLE_EN BIT(4)

#define	KEYP_CTRL_RP_EN BIT(5)

#define	KEYP_CTRL_KBD_ON BIT(6)

#define	KEYP_PERIOD_US(t, prescale) ((t) / (31 << (prescale + 1)) - 1)

#define	KEYP_LK_PTV_PTV_SHIFT 5

#define	KEYP_IMR1_MIS BIT(3)

#define	KEYP_IMR1_TO BIT(2)

#define	KEYP_IMR1_LK BIT(1)

#define	KEYP_IMR1_KP BIT(0)

#define	KEYP_EDR_KP_FALLING 0x01

#define	KEYP_EDR_KP_RISING 0x02

#define	KEYP_EDR_KP_BOTH 0x03

#define	KEYP_EDR_LK_FALLING 0x04

#define	KEYP_EDR_LK_RISING 0x08

#define	KEYP_EDR_TO_FALLING 0x10

#define	KEYP_EDR_TO_RISING 0x20

#define	KEYP_EDR_MIS_FALLING 0x40

#define	KEYP_EDR_MIS_RISING 0x80

Functions
	module_platform_driver (twl4030_kp_driver)

	MODULE_AUTHOR ("Texas Instruments")

	MODULE_DESCRIPTION ("TWL4030 Keypad Driver")

	MODULE_LICENSE ("GPL")

	MODULE_ALIAS ("platform:twl4030_keypad")

Macro Definition Documentation

#define KEYP_CTRL 0x00

Definition at line 77 of file twl4030_keypad.c.

#define KEYP_CTRL_KBD_ON BIT(6)

Definition at line 109 of file twl4030_keypad.c.

#define KEYP_CTRL_LK_EN BIT(2)

Definition at line 105 of file twl4030_keypad.c.

#define KEYP_CTRL_RP_EN BIT(5)

Definition at line 108 of file twl4030_keypad.c.

#define KEYP_CTRL_SOFT_NRST BIT(0)

Definition at line 103 of file twl4030_keypad.c.

#define KEYP_CTRL_SOFTMODEN BIT(1)

Definition at line 104 of file twl4030_keypad.c.

#define KEYP_CTRL_TOE_EN BIT(3)

Definition at line 106 of file twl4030_keypad.c.

#define KEYP_CTRL_TOLE_EN BIT(4)

Definition at line 107 of file twl4030_keypad.c.

#define KEYP_DEB 0x01

Definition at line 78 of file twl4030_keypad.c.

#define KEYP_EDR 0x16 /* edge triggers */

Definition at line 99 of file twl4030_keypad.c.

#define KEYP_EDR_KP_BOTH 0x03

Definition at line 126 of file twl4030_keypad.c.

#define KEYP_EDR_KP_FALLING 0x01

Definition at line 124 of file twl4030_keypad.c.

#define KEYP_EDR_KP_RISING 0x02

Definition at line 125 of file twl4030_keypad.c.

#define KEYP_EDR_LK_FALLING 0x04

Definition at line 127 of file twl4030_keypad.c.

#define KEYP_EDR_LK_RISING 0x08

Definition at line 128 of file twl4030_keypad.c.

#define KEYP_EDR_MIS_FALLING 0x40

Definition at line 131 of file twl4030_keypad.c.

#define KEYP_EDR_MIS_RISING 0x80

Definition at line 132 of file twl4030_keypad.c.

#define KEYP_EDR_TO_FALLING 0x10

Definition at line 129 of file twl4030_keypad.c.

#define KEYP_EDR_TO_RISING 0x20

Definition at line 130 of file twl4030_keypad.c.

#define KEYP_FULL_CODE_15_8 0x0a /* ... row 1 ... */

Definition at line 87 of file twl4030_keypad.c.

#define KEYP_FULL_CODE_23_16 0x0b

Definition at line 88 of file twl4030_keypad.c.

#define KEYP_FULL_CODE_31_24 0x0c

Definition at line 89 of file twl4030_keypad.c.

#define KEYP_FULL_CODE_39_32 0x0d

Definition at line 90 of file twl4030_keypad.c.

#define KEYP_FULL_CODE_47_40 0x0e

Definition at line 91 of file twl4030_keypad.c.

#define KEYP_FULL_CODE_55_48 0x0f

Definition at line 92 of file twl4030_keypad.c.

#define KEYP_FULL_CODE_63_56 0x10

Definition at line 93 of file twl4030_keypad.c.

#define KEYP_FULL_CODE_7_0 0x09 /* row 0 column status */

Definition at line 86 of file twl4030_keypad.c.

#define KEYP_IMR1 0x12

Definition at line 95 of file twl4030_keypad.c.

#define KEYP_IMR1_KP BIT(0)

Definition at line 121 of file twl4030_keypad.c.

#define KEYP_IMR1_LK BIT(1)

Definition at line 120 of file twl4030_keypad.c.

#define KEYP_IMR1_MIS BIT(3)

Definition at line 118 of file twl4030_keypad.c.

#define KEYP_IMR1_TO BIT(2)

Definition at line 119 of file twl4030_keypad.c.

#define KEYP_IMR2 0x14

Definition at line 97 of file twl4030_keypad.c.

#define KEYP_ISR1 0x11

Definition at line 94 of file twl4030_keypad.c.

#define KEYP_ISR2 0x13

Definition at line 96 of file twl4030_keypad.c.

#define KEYP_KBC 0x06

Definition at line 83 of file twl4030_keypad.c.

#define KEYP_KBR 0x07

Definition at line 84 of file twl4030_keypad.c.

#define KEYP_LK_PTV 0x03

Definition at line 80 of file twl4030_keypad.c.

#define KEYP_LK_PTV_PTV_SHIFT 5

Definition at line 115 of file twl4030_keypad.c.

#define KEYP_LONG_KEY 0x02

Definition at line 79 of file twl4030_keypad.c.

#define KEYP_PERIOD_US	(	t,
		prescale
	)	((t) / (31 << (prescale + 1)) - 1)

Definition at line 112 of file twl4030_keypad.c.

#define KEYP_SIH_CTRL 0x17

Definition at line 100 of file twl4030_keypad.c.

#define KEYP_SIR 0x15

Definition at line 98 of file twl4030_keypad.c.

#define KEYP_SMS 0x08

Definition at line 85 of file twl4030_keypad.c.

#define KEYP_TIMEOUT_H 0x05

Definition at line 82 of file twl4030_keypad.c.

#define KEYP_TIMEOUT_L 0x04

Definition at line 81 of file twl4030_keypad.c.

#define PTV_PRESCALER 4

Definition at line 74 of file twl4030_keypad.c.

#define TWL4030_KEYMAP_SIZE (TWL4030_MAX_ROWS << TWL4030_ROW_SHIFT)

Definition at line 58 of file twl4030_keypad.c.

#define TWL4030_MAX_COLS 8

Definition at line 52 of file twl4030_keypad.c.

#define TWL4030_MAX_ROWS 8 /* TWL4030 hard limit */

Definition at line 51 of file twl4030_keypad.c.

#define TWL4030_ROW_SHIFT 4

Definition at line 57 of file twl4030_keypad.c.

Function Documentation

MODULE_ALIAS ( "platform:twl4030_keypad" )

MODULE_AUTHOR ( "Texas Instruments" )

MODULE_DESCRIPTION ( "TWL4030 Keypad Driver" )

MODULE_LICENSE ( "GPL" )

module_platform_driver ( twl4030_kp_driver )

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation