pmic8xxx-keypad.c File Reference

#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/input.h>
#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/mutex.h>
#include <linux/mfd/pm8xxx/core.h>
#include <linux/mfd/pm8xxx/gpio.h>
#include <linux/input/pmic8xxx-keypad.h>

Go to the source code of this file.

Data Structures
struct	pmic8xxx_kp

Macros
#define	PM8XXX_MAX_ROWS   18
#define	PM8XXX_MAX_COLS   8
#define	PM8XXX_ROW_SHIFT   3
#define	PM8XXX_MATRIX_MAX_SIZE   (PM8XXX_MAX_ROWS * PM8XXX_MAX_COLS)
#define	PM8XXX_MIN_ROWS   5
#define	PM8XXX_MIN_COLS   5
#define	MAX_SCAN_DELAY   128
#define	MIN_SCAN_DELAY   1
#define	MAX_ROW_HOLD_DELAY   122000
#define	MIN_ROW_HOLD_DELAY   30500
#define	MAX_DEBOUNCE_TIME   20
#define	MIN_DEBOUNCE_TIME   5
#define	KEYP_CTRL   0x148
#define	KEYP_CTRL_EVNTS   BIT(0)
#define	KEYP_CTRL_EVNTS_MASK   0x3
#define	KEYP_CTRL_SCAN_COLS_SHIFT   5
#define	KEYP_CTRL_SCAN_COLS_MIN   5
#define	KEYP_CTRL_SCAN_COLS_BITS   0x3
#define	KEYP_CTRL_SCAN_ROWS_SHIFT   2
#define	KEYP_CTRL_SCAN_ROWS_MIN   5
#define	KEYP_CTRL_SCAN_ROWS_BITS   0x7
#define	KEYP_CTRL_KEYP_EN   BIT(7)
#define	KEYP_SCAN   0x149
#define	KEYP_SCAN_READ_STATE   BIT(0)
#define	KEYP_SCAN_DBOUNCE_SHIFT   1
#define	KEYP_SCAN_PAUSE_SHIFT   3
#define	KEYP_SCAN_ROW_HOLD_SHIFT   6
#define	KEYP_TEST   0x14A
#define	KEYP_TEST_CLEAR_RECENT_SCAN   BIT(6)
#define	KEYP_TEST_CLEAR_OLD_SCAN   BIT(5)
#define	KEYP_TEST_READ_RESET   BIT(4)
#define	KEYP_TEST_DTEST_EN   BIT(3)
#define	KEYP_TEST_ABORT_READ   BIT(0)
#define	KEYP_TEST_DBG_SELECT_SHIFT   1
#define	KEYP_RECENT_DATA   0x14B
#define	KEYP_OLD_DATA   0x14C
#define	KEYP_CLOCK_FREQ   32768

Functions
	module_platform_driver (pmic8xxx_kp_driver)
	MODULE_LICENSE ("GPL v2")
	MODULE_DESCRIPTION ("PMIC8XXX keypad driver")
	MODULE_VERSION ("1.0")
	MODULE_ALIAS ("platform:pmic8xxx_keypad")
	MODULE_AUTHOR ("Trilok Soni <[email protected]>")

Macro Definition Documentation

#define KEYP_CLOCK_FREQ   32768

Definition at line 84 of file pmic8xxx-keypad.c.

#define KEYP_CTRL   0x148

Definition at line 45 of file pmic8xxx-keypad.c.

#define KEYP_CTRL_EVNTS   BIT(0)

Definition at line 47 of file pmic8xxx-keypad.c.

#define KEYP_CTRL_EVNTS_MASK   0x3

Definition at line 48 of file pmic8xxx-keypad.c.

#define KEYP_CTRL_KEYP_EN   BIT(7)

Definition at line 58 of file pmic8xxx-keypad.c.

#define KEYP_CTRL_SCAN_COLS_BITS   0x3

Definition at line 52 of file pmic8xxx-keypad.c.

#define KEYP_CTRL_SCAN_COLS_MIN   5

Definition at line 51 of file pmic8xxx-keypad.c.

#define KEYP_CTRL_SCAN_COLS_SHIFT   5

Definition at line 50 of file pmic8xxx-keypad.c.

#define KEYP_CTRL_SCAN_ROWS_BITS   0x7

Definition at line 56 of file pmic8xxx-keypad.c.

#define KEYP_CTRL_SCAN_ROWS_MIN   5

Definition at line 55 of file pmic8xxx-keypad.c.

#define KEYP_CTRL_SCAN_ROWS_SHIFT   2

Definition at line 54 of file pmic8xxx-keypad.c.

#define KEYP_OLD_DATA   0x14C

Definition at line 82 of file pmic8xxx-keypad.c.

#define KEYP_RECENT_DATA   0x14B

Definition at line 81 of file pmic8xxx-keypad.c.

#define KEYP_SCAN   0x149

Definition at line 60 of file pmic8xxx-keypad.c.

#define KEYP_SCAN_DBOUNCE_SHIFT   1

Definition at line 63 of file pmic8xxx-keypad.c.

#define KEYP_SCAN_PAUSE_SHIFT   3

Definition at line 64 of file pmic8xxx-keypad.c.

#define KEYP_SCAN_READ_STATE   BIT(0)

Definition at line 62 of file pmic8xxx-keypad.c.

#define KEYP_SCAN_ROW_HOLD_SHIFT   6

Definition at line 65 of file pmic8xxx-keypad.c.

#define KEYP_TEST   0x14A

Definition at line 67 of file pmic8xxx-keypad.c.

#define KEYP_TEST_ABORT_READ   BIT(0)

Definition at line 73 of file pmic8xxx-keypad.c.

#define KEYP_TEST_CLEAR_OLD_SCAN   BIT(5)

Definition at line 70 of file pmic8xxx-keypad.c.

#define KEYP_TEST_CLEAR_RECENT_SCAN   BIT(6)

Definition at line 69 of file pmic8xxx-keypad.c.

#define KEYP_TEST_DBG_SELECT_SHIFT   1

Definition at line 75 of file pmic8xxx-keypad.c.

#define KEYP_TEST_DTEST_EN   BIT(3)

Definition at line 72 of file pmic8xxx-keypad.c.

#define KEYP_TEST_READ_RESET   BIT(4)

Definition at line 71 of file pmic8xxx-keypad.c.

#define MAX_DEBOUNCE_TIME   20

Definition at line 42 of file pmic8xxx-keypad.c.

#define MAX_ROW_HOLD_DELAY   122000

Definition at line 39 of file pmic8xxx-keypad.c.

#define MAX_SCAN_DELAY   128

Definition at line 35 of file pmic8xxx-keypad.c.

#define MIN_DEBOUNCE_TIME   5

Definition at line 43 of file pmic8xxx-keypad.c.

#define MIN_ROW_HOLD_DELAY   30500

Definition at line 40 of file pmic8xxx-keypad.c.

#define MIN_SCAN_DELAY   1

Definition at line 36 of file pmic8xxx-keypad.c.

#define PM8XXX_MATRIX_MAX_SIZE   (PM8XXX_MAX_ROWS * PM8XXX_MAX_COLS)

Definition at line 30 of file pmic8xxx-keypad.c.

#define PM8XXX_MAX_COLS   8

Definition at line 28 of file pmic8xxx-keypad.c.

#define PM8XXX_MAX_ROWS   18

Definition at line 27 of file pmic8xxx-keypad.c.

#define PM8XXX_MIN_COLS   5

Definition at line 33 of file pmic8xxx-keypad.c.

#define PM8XXX_MIN_ROWS   5

Definition at line 32 of file pmic8xxx-keypad.c.

#define PM8XXX_ROW_SHIFT   3

Definition at line 29 of file pmic8xxx-keypad.c.

Function Documentation

MODULE_ALIAS

(

"platform:pmic8xxx_keypad"

)

MODULE_AUTHOR

(

"Trilok Soni <[email protected]>"

)

MODULE_DESCRIPTION

(

"PMIC8XXX keypad driver"

)

MODULE_LICENSE

(

"GPL v2"

)

module_platform_driver

(

pmic8xxx_kp_driver

)

MODULE_VERSION

(

"1.0"

)