lpc32xx-keys.c File Reference

#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/irq.h>
#include <linux/pm.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/input/matrix_keypad.h>

Go to the source code of this file.

Data Structures
struct	lpc32xx_kscan_drv

Macros
#define	DRV_NAME   "lpc32xx_keys"
#define	LPC32XX_KS_DEB(x)   ((x) + 0x00)
#define	LPC32XX_KS_STATE_COND(x)   ((x) + 0x04)
#define	LPC32XX_KS_IRQ(x)   ((x) + 0x08)
#define	LPC32XX_KS_SCAN_CTL(x)   ((x) + 0x0C)
#define	LPC32XX_KS_FAST_TST(x)   ((x) + 0x10)
#define	LPC32XX_KS_MATRIX_DIM(x)   ((x) + 0x14) /* 1..8 */
#define	LPC32XX_KS_DATA(x, y)   ((x) + 0x40 + ((y) << 2))
#define	LPC32XX_KSCAN_DEB_NUM_DEB_PASS(n)   ((n) & 0xFF)
#define	LPC32XX_KSCAN_SCOND_IN_IDLE   0x0
#define	LPC32XX_KSCAN_SCOND_IN_SCANONCE   0x1
#define	LPC32XX_KSCAN_SCOND_IN_IRQGEN   0x2
#define	LPC32XX_KSCAN_SCOND_IN_SCAN_MATRIX   0x3
#define	LPC32XX_KSCAN_IRQ_PENDING_CLR   0x1
#define	LPC32XX_KSCAN_SCTRL_SCAN_DELAY(n)   ((n) & 0xFF)
#define	LPC32XX_KSCAN_FTST_FORCESCANONCE   0x1
#define	LPC32XX_KSCAN_FTST_USE32K_CLK   0x2
#define	LPC32XX_KSCAN_MSEL_SELECT(n)   ((n) & 0xF)

Functions
	MODULE_DEVICE_TABLE (of, lpc32xx_kscan_match)
	module_platform_driver (lpc32xx_kscan_driver)
	MODULE_LICENSE ("GPL")
	MODULE_AUTHOR ("Kevin Wells <[email protected]>")
	MODULE_AUTHOR ("Roland Stigge <[email protected]>")
	MODULE_DESCRIPTION ("Key scanner driver for LPC32XX devices")

Macro Definition Documentation

#define DRV_NAME   "lpc32xx_keys"

Definition at line 37 of file lpc32xx-keys.c.

#define LPC32XX_KS_DATA	(		x,
			y
	)		((x) + 0x40 + ((y) << 2))

Definition at line 48 of file lpc32xx-keys.c.

#define LPC32XX_KS_DEB

(

x

)

((x) + 0x00)

Definition at line 42 of file lpc32xx-keys.c.

#define LPC32XX_KS_FAST_TST

(

x

)

((x) + 0x10)

Definition at line 46 of file lpc32xx-keys.c.

#define LPC32XX_KS_IRQ

(

x

)

((x) + 0x08)

Definition at line 44 of file lpc32xx-keys.c.

#define LPC32XX_KS_MATRIX_DIM

(

x

)

((x) + 0x14) /* 1..8 */

Definition at line 47 of file lpc32xx-keys.c.

#define LPC32XX_KS_SCAN_CTL

(

x

)

((x) + 0x0C)

Definition at line 45 of file lpc32xx-keys.c.

#define LPC32XX_KS_STATE_COND

(

x

)

((x) + 0x04)

Definition at line 43 of file lpc32xx-keys.c.

#define LPC32XX_KSCAN_DEB_NUM_DEB_PASS

(

n

)

((n) & 0xFF)

Definition at line 50 of file lpc32xx-keys.c.

#define LPC32XX_KSCAN_FTST_FORCESCANONCE   0x1

Definition at line 61 of file lpc32xx-keys.c.

#define LPC32XX_KSCAN_FTST_USE32K_CLK   0x2

Definition at line 62 of file lpc32xx-keys.c.

#define LPC32XX_KSCAN_IRQ_PENDING_CLR   0x1

Definition at line 57 of file lpc32xx-keys.c.

#define LPC32XX_KSCAN_MSEL_SELECT

(

n

)

((n) & 0xF)

Definition at line 64 of file lpc32xx-keys.c.

#define LPC32XX_KSCAN_SCOND_IN_IDLE   0x0

Definition at line 52 of file lpc32xx-keys.c.

#define LPC32XX_KSCAN_SCOND_IN_IRQGEN   0x2

Definition at line 54 of file lpc32xx-keys.c.

#define LPC32XX_KSCAN_SCOND_IN_SCAN_MATRIX   0x3

Definition at line 55 of file lpc32xx-keys.c.

#define LPC32XX_KSCAN_SCOND_IN_SCANONCE   0x1

Definition at line 53 of file lpc32xx-keys.c.

#define LPC32XX_KSCAN_SCTRL_SCAN_DELAY

(

n

)

((n) & 0xFF)

Definition at line 59 of file lpc32xx-keys.c.

Function Documentation

MODULE_AUTHOR

(

"Kevin Wells <[email protected]>"

)

MODULE_AUTHOR

(

"Roland Stigge <[email protected]>"

)

MODULE_DESCRIPTION

(

"Key scanner driver for LPC32XX devices"

)

MODULE_DEVICE_TABLE	(	of	,
		lpc32xx_kscan_match
	)

MODULE_LICENSE

(

"GPL"

)

module_platform_driver

(

lpc32xx_kscan_driver

)