#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/input.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/input/matrix_keypad.h>
#include <linux/slab.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/hardware.h>
#include <linux/platform_data/keypad-pxa27x.h>

Data Structures
struct	pxa27x_keypad

Macros
#define	KPC 0x0000 /* Keypad Control register */

#define	KPDK 0x0008 /* Keypad Direct Key register */

#define	KPREC 0x0010 /* Keypad Rotary Encoder register */

#define	KPMK 0x0018 /* Keypad Matrix Key register */

#define	KPAS 0x0020 /* Keypad Automatic Scan register */

#define	KPASMKP0 0x0028

#define	KPASMKP1 0x0030

#define	KPASMKP2 0x0038

#define	KPASMKP3 0x0040

#define	KPKDI 0x0048

#define	KPC_MKRN(n) ((((n) - 1) & 0x7) << 26) /* matrix key row number */

#define	KPC_MKCN(n) ((((n) - 1) & 0x7) << 23) /* matrix key column number */

#define	KPC_DKN(n) ((((n) - 1) & 0x7) << 6) /* direct key number */

#define	KPC_AS (0x1 << 30) /* Automatic Scan bit */

#define	KPC_ASACT (0x1 << 29) /* Automatic Scan on Activity */

#define	KPC_MI (0x1 << 22) /* Matrix interrupt bit */

#define	KPC_IMKP (0x1 << 21) /* Ignore Multiple Key Press */

#define	KPC_MS(n) (0x1 << (13 + (n))) /* Matrix scan line 'n' */

#define	KPC_MS_ALL (0xff << 13)

#define	KPC_ME (0x1 << 12) /* Matrix Keypad Enable */

#define	KPC_MIE (0x1 << 11) /* Matrix Interrupt Enable */

#define	KPC_DK_DEB_SEL (0x1 << 9) /* Direct Keypad Debounce Select */

#define	KPC_DI (0x1 << 5) /* Direct key interrupt bit */

#define	KPC_RE_ZERO_DEB (0x1 << 4) /* Rotary Encoder Zero Debounce */

#define	KPC_REE1 (0x1 << 3) /* Rotary Encoder1 Enable */

#define	KPC_REE0 (0x1 << 2) /* Rotary Encoder0 Enable */

#define	KPC_DE (0x1 << 1) /* Direct Keypad Enable */

#define	KPC_DIE (0x1 << 0) /* Direct Keypad interrupt Enable */

#define	KPDK_DKP (0x1 << 31)

#define	KPDK_DK(n) ((n) & 0xff)

#define	KPREC_OF1 (0x1 << 31)

#define	kPREC_UF1 (0x1 << 30)

#define	KPREC_OF0 (0x1 << 15)

#define	KPREC_UF0 (0x1 << 14)

#define	KPREC_RECOUNT0(n) ((n) & 0xff)

#define	KPREC_RECOUNT1(n) (((n) >> 16) & 0xff)

#define	KPMK_MKP (0x1 << 31)

#define	KPAS_SO (0x1 << 31)

#define	KPASMKPx_SO (0x1 << 31)

#define	KPAS_MUKP(n) (((n) >> 26) & 0x1f)

#define	KPAS_RP(n) (((n) >> 4) & 0xf)

#define	KPAS_CP(n) ((n) & 0xf)

#define	KPASMKP_MKC_MASK (0xff)

#define	keypad_readl(off) __raw_readl(keypad->mmio_base + (off))

#define	keypad_writel(off, v) __raw_writel((v), keypad->mmio_base + (off))

#define	MAX_MATRIX_KEY_NUM (MAX_MATRIX_KEY_ROWS * MAX_MATRIX_KEY_COLS)

#define	MAX_KEYPAD_KEYS (MAX_MATRIX_KEY_NUM + MAX_DIRECT_KEY_NUM)

#define	DEFAULT_KPREC (0x007f007f)

Functions
	MODULE_ALIAS ("platform:pxa27x-keypad")

	module_platform_driver (pxa27x_keypad_driver)

	MODULE_DESCRIPTION ("PXA27x Keypad Controller Driver")

	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define DEFAULT_KPREC (0x007f007f)

Definition at line 249 of file pxa27x_keypad.c.

#define keypad_readl ( off ) __raw_readl(keypad->mmio_base + (off))

Definition at line 96 of file pxa27x_keypad.c.

#define keypad_writel	(	off,
		v
	)	__raw_writel((v), keypad->mmio_base + (off))

Definition at line 97 of file pxa27x_keypad.c.

#define KPAS 0x0020 /* Keypad Automatic Scan register */

Definition at line 43 of file pxa27x_keypad.c.

#define KPAS_CP ( n ) ((n) & 0xf)

Definition at line 92 of file pxa27x_keypad.c.

#define KPAS_MUKP ( n ) (((n) >> 26) & 0x1f)

Definition at line 90 of file pxa27x_keypad.c.

#define KPAS_RP ( n ) (((n) >> 4) & 0xf)

Definition at line 91 of file pxa27x_keypad.c.

#define KPAS_SO (0x1 << 31)

Definition at line 87 of file pxa27x_keypad.c.

#define KPASMKP0 0x0028

Definition at line 46 of file pxa27x_keypad.c.

#define KPASMKP1 0x0030

Definition at line 47 of file pxa27x_keypad.c.

#define KPASMKP2 0x0038

Definition at line 48 of file pxa27x_keypad.c.

#define KPASMKP3 0x0040

Definition at line 49 of file pxa27x_keypad.c.

#define KPASMKP_MKC_MASK (0xff)

Definition at line 94 of file pxa27x_keypad.c.

#define KPASMKPx_SO (0x1 << 31)

Definition at line 88 of file pxa27x_keypad.c.

#define KPC 0x0000 /* Keypad Control register */

Definition at line 39 of file pxa27x_keypad.c.

#define KPC_AS (0x1 << 30) /* Automatic Scan bit */

Definition at line 57 of file pxa27x_keypad.c.

#define KPC_ASACT (0x1 << 29) /* Automatic Scan on Activity */

Definition at line 58 of file pxa27x_keypad.c.

#define KPC_DE (0x1 << 1) /* Direct Keypad Enable */

Definition at line 72 of file pxa27x_keypad.c.

#define KPC_DI (0x1 << 5) /* Direct key interrupt bit */

Definition at line 68 of file pxa27x_keypad.c.

#define KPC_DIE (0x1 << 0) /* Direct Keypad interrupt Enable */

Definition at line 73 of file pxa27x_keypad.c.

#define KPC_DK_DEB_SEL (0x1 << 9) /* Direct Keypad Debounce Select */

Definition at line 67 of file pxa27x_keypad.c.

#define KPC_DKN ( n ) ((((n) - 1) & 0x7) << 6) /* direct key number */

Definition at line 55 of file pxa27x_keypad.c.

#define KPC_IMKP (0x1 << 21) /* Ignore Multiple Key Press */

Definition at line 60 of file pxa27x_keypad.c.

#define KPC_ME (0x1 << 12) /* Matrix Keypad Enable */

Definition at line 65 of file pxa27x_keypad.c.

#define KPC_MI (0x1 << 22) /* Matrix interrupt bit */

Definition at line 59 of file pxa27x_keypad.c.

#define KPC_MIE (0x1 << 11) /* Matrix Interrupt Enable */

Definition at line 66 of file pxa27x_keypad.c.

#define KPC_MKCN ( n ) ((((n) - 1) & 0x7) << 23) /* matrix key column number */

Definition at line 54 of file pxa27x_keypad.c.

#define KPC_MKRN ( n ) ((((n) - 1) & 0x7) << 26) /* matrix key row number */

Definition at line 53 of file pxa27x_keypad.c.

#define KPC_MS ( n ) (0x1 << (13 + (n))) /* Matrix scan line 'n' */

Definition at line 62 of file pxa27x_keypad.c.

#define KPC_MS_ALL (0xff << 13)

Definition at line 63 of file pxa27x_keypad.c.

#define KPC_RE_ZERO_DEB (0x1 << 4) /* Rotary Encoder Zero Debounce */

Definition at line 69 of file pxa27x_keypad.c.

#define KPC_REE0 (0x1 << 2) /* Rotary Encoder0 Enable */

Definition at line 71 of file pxa27x_keypad.c.

#define KPC_REE1 (0x1 << 3) /* Rotary Encoder1 Enable */

Definition at line 70 of file pxa27x_keypad.c.

#define KPDK 0x0008 /* Keypad Direct Key register */

Definition at line 40 of file pxa27x_keypad.c.

#define KPDK_DK ( n ) ((n) & 0xff)

Definition at line 76 of file pxa27x_keypad.c.

#define KPDK_DKP (0x1 << 31)

Definition at line 75 of file pxa27x_keypad.c.

#define KPKDI 0x0048

Definition at line 50 of file pxa27x_keypad.c.

#define KPMK 0x0018 /* Keypad Matrix Key register */

Definition at line 42 of file pxa27x_keypad.c.

#define KPMK_MKP (0x1 << 31)

Definition at line 86 of file pxa27x_keypad.c.

#define KPREC 0x0010 /* Keypad Rotary Encoder register */

Definition at line 41 of file pxa27x_keypad.c.

#define KPREC_OF0 (0x1 << 15)

Definition at line 80 of file pxa27x_keypad.c.

#define KPREC_OF1 (0x1 << 31)

Definition at line 78 of file pxa27x_keypad.c.

#define KPREC_RECOUNT0 ( n ) ((n) & 0xff)

Definition at line 83 of file pxa27x_keypad.c.

#define KPREC_RECOUNT1 ( n ) (((n) >> 16) & 0xff)

Definition at line 84 of file pxa27x_keypad.c.

#define KPREC_UF0 (0x1 << 14)

Definition at line 81 of file pxa27x_keypad.c.

#define kPREC_UF1 (0x1 << 30)

Definition at line 79 of file pxa27x_keypad.c.

#define MAX_KEYPAD_KEYS (MAX_MATRIX_KEY_NUM + MAX_DIRECT_KEY_NUM)

Definition at line 100 of file pxa27x_keypad.c.

#define MAX_MATRIX_KEY_NUM (MAX_MATRIX_KEY_ROWS * MAX_MATRIX_KEY_COLS)

Definition at line 99 of file pxa27x_keypad.c.

Function Documentation

MODULE_ALIAS ( "platform:pxa27x-keypad" )

MODULE_DESCRIPTION ( "PXA27x Keypad Controller Driver" )

MODULE_LICENSE ( "GPL" )

module_platform_driver ( pxa27x_keypad_driver )

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation