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name : gpio-omap.h
 /* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * OMAP GPIO handling defines and functions
 *
 * Copyright (C) 2003-2005 Nokia Corporation
 *
 * Written by Juha Yrjölä <juha.yrjola@nokia.com>
 */

#ifndef __ASM_ARCH_OMAP_GPIO_H
#define __ASM_ARCH_OMAP_GPIO_H

#ifndef __ASSEMBLER__
#include <linux/io.h>
#include <linux/platform_device.h>
#endif

#define OMAP1_MPUIO_BASE			0xfffb5000

/*
 * These are the omap15xx/16xx offsets. The omap7xx offset are
 * OMAP_MPUIO_ / 2 offsets below.
 */
#define OMAP_MPUIO_INPUT_LATCH		0x00
#define OMAP_MPUIO_OUTPUT		0x04
#define OMAP_MPUIO_IO_CNTL		0x08
#define OMAP_MPUIO_KBR_LATCH		0x10
#define OMAP_MPUIO_KBC			0x14
#define OMAP_MPUIO_GPIO_EVENT_MODE	0x18
#define OMAP_MPUIO_GPIO_INT_EDGE	0x1c
#define OMAP_MPUIO_KBD_INT		0x20
#define OMAP_MPUIO_GPIO_INT		0x24
#define OMAP_MPUIO_KBD_MASKIT		0x28
#define OMAP_MPUIO_GPIO_MASKIT		0x2c
#define OMAP_MPUIO_GPIO_DEBOUNCING	0x30
#define OMAP_MPUIO_LATCH		0x34

#define OMAP34XX_NR_GPIOS		6

/*
 * OMAP1510 GPIO registers
 */
#define OMAP1510_GPIO_DATA_INPUT	0x00
#define OMAP1510_GPIO_DATA_OUTPUT	0x04
#define OMAP1510_GPIO_DIR_CONTROL	0x08
#define OMAP1510_GPIO_INT_CONTROL	0x0c
#define OMAP1510_GPIO_INT_MASK		0x10
#define OMAP1510_GPIO_INT_STATUS	0x14
#define OMAP1510_GPIO_PIN_CONTROL	0x18

#define OMAP1510_IH_GPIO_BASE		64

/*
 * OMAP1610 specific GPIO registers
 */
#define OMAP1610_GPIO_REVISION		0x0000
#define OMAP1610_GPIO_SYSCONFIG		0x0010
#define OMAP1610_GPIO_SYSSTATUS		0x0014
#define OMAP1610_GPIO_IRQSTATUS1	0x0018
#define OMAP1610_GPIO_IRQENABLE1	0x001c
#define OMAP1610_GPIO_WAKEUPENABLE	0x0028
#define OMAP1610_GPIO_DATAIN		0x002c
#define OMAP1610_GPIO_DATAOUT		0x0030
#define OMAP1610_GPIO_DIRECTION		0x0034
#define OMAP1610_GPIO_EDGE_CTRL1	0x0038
#define OMAP1610_GPIO_EDGE_CTRL2	0x003c
#define OMAP1610_GPIO_CLEAR_IRQENABLE1	0x009c
#define OMAP1610_GPIO_CLEAR_WAKEUPENA	0x00a8
#define OMAP1610_GPIO_CLEAR_DATAOUT	0x00b0
#define OMAP1610_GPIO_SET_IRQENABLE1	0x00dc
#define OMAP1610_GPIO_SET_WAKEUPENA	0x00e8
#define OMAP1610_GPIO_SET_DATAOUT	0x00f0

/*
 * OMAP7XX specific GPIO registers
 */
#define OMAP7XX_GPIO_DATA_INPUT		0x00
#define OMAP7XX_GPIO_DATA_OUTPUT	0x04
#define OMAP7XX_GPIO_DIR_CONTROL	0x08
#define OMAP7XX_GPIO_INT_CONTROL	0x0c
#define OMAP7XX_GPIO_INT_MASK		0x10
#define OMAP7XX_GPIO_INT_STATUS		0x14

/*
 * omap2+ specific GPIO registers
 */
#define OMAP24XX_GPIO_REVISION		0x0000
#define OMAP24XX_GPIO_SYSCONFIG		0x0010
#define OMAP24XX_GPIO_IRQSTATUS1	0x0018
#define OMAP24XX_GPIO_IRQSTATUS2	0x0028
#define OMAP24XX_GPIO_IRQENABLE2	0x002c
#define OMAP24XX_GPIO_IRQENABLE1	0x001c
#define OMAP24XX_GPIO_WAKE_EN		0x0020
#define OMAP24XX_GPIO_CTRL		0x0030
#define OMAP24XX_GPIO_OE		0x0034
#define OMAP24XX_GPIO_DATAIN		0x0038
#define OMAP24XX_GPIO_DATAOUT		0x003c
#define OMAP24XX_GPIO_LEVELDETECT0	0x0040
#define OMAP24XX_GPIO_LEVELDETECT1	0x0044
#define OMAP24XX_GPIO_RISINGDETECT	0x0048
#define OMAP24XX_GPIO_FALLINGDETECT	0x004c
#define OMAP24XX_GPIO_DEBOUNCE_EN	0x0050
#define OMAP24XX_GPIO_DEBOUNCE_VAL	0x0054
#define OMAP24XX_GPIO_CLEARIRQENABLE1	0x0060
#define OMAP24XX_GPIO_SETIRQENABLE1	0x0064
#define OMAP24XX_GPIO_CLEARWKUENA	0x0080
#define OMAP24XX_GPIO_SETWKUENA		0x0084
#define OMAP24XX_GPIO_CLEARDATAOUT	0x0090
#define OMAP24XX_GPIO_SETDATAOUT	0x0094

#define OMAP4_GPIO_REVISION		0x0000
#define OMAP4_GPIO_SYSCONFIG		0x0010
#define OMAP4_GPIO_EOI			0x0020
#define OMAP4_GPIO_IRQSTATUSRAW0	0x0024
#define OMAP4_GPIO_IRQSTATUSRAW1	0x0028
#define OMAP4_GPIO_IRQSTATUS0		0x002c
#define OMAP4_GPIO_IRQSTATUS1		0x0030
#define OMAP4_GPIO_IRQSTATUSSET0	0x0034
#define OMAP4_GPIO_IRQSTATUSSET1	0x0038
#define OMAP4_GPIO_IRQSTATUSCLR0	0x003c
#define OMAP4_GPIO_IRQSTATUSCLR1	0x0040
#define OMAP4_GPIO_IRQWAKEN0		0x0044
#define OMAP4_GPIO_IRQWAKEN1		0x0048
#define OMAP4_GPIO_IRQENABLE1		0x011c
#define OMAP4_GPIO_WAKE_EN		0x0120
#define OMAP4_GPIO_IRQSTATUS2		0x0128
#define OMAP4_GPIO_IRQENABLE2		0x012c
#define OMAP4_GPIO_CTRL			0x0130
#define OMAP4_GPIO_OE			0x0134
#define OMAP4_GPIO_DATAIN		0x0138
#define OMAP4_GPIO_DATAOUT		0x013c
#define OMAP4_GPIO_LEVELDETECT0		0x0140
#define OMAP4_GPIO_LEVELDETECT1		0x0144
#define OMAP4_GPIO_RISINGDETECT		0x0148
#define OMAP4_GPIO_FALLINGDETECT	0x014c
#define OMAP4_GPIO_DEBOUNCENABLE	0x0150
#define OMAP4_GPIO_DEBOUNCINGTIME	0x0154
#define OMAP4_GPIO_CLEARIRQENABLE1	0x0160
#define OMAP4_GPIO_SETIRQENABLE1	0x0164
#define OMAP4_GPIO_CLEARWKUENA		0x0180
#define OMAP4_GPIO_SETWKUENA		0x0184
#define OMAP4_GPIO_CLEARDATAOUT		0x0190
#define OMAP4_GPIO_SETDATAOUT		0x0194

#define OMAP_MAX_GPIO_LINES		192

#ifndef __ASSEMBLER__
struct omap_gpio_reg_offs {
	u16 revision;
	u16 sysconfig;
	u16 direction;
	u16 datain;
	u16 dataout;
	u16 set_dataout;
	u16 clr_dataout;
	u16 irqstatus;
	u16 irqstatus2;
	u16 irqstatus_raw0;
	u16 irqstatus_raw1;
	u16 irqenable;
	u16 irqenable2;
	u16 set_irqenable;
	u16 clr_irqenable;
	u16 debounce;
	u16 debounce_en;
	u16 ctrl;
	u16 wkup_en;
	u16 leveldetect0;
	u16 leveldetect1;
	u16 risingdetect;
	u16 fallingdetect;
	u16 irqctrl;
	u16 edgectrl1;
	u16 edgectrl2;
	u16 pinctrl;

	bool irqenable_inv;
};

struct omap_gpio_platform_data {
	int bank_type;
	int bank_width;		/* GPIO bank width */
	int bank_stride;	/* Only needed for omap1 MPUIO */
	bool dbck_flag;		/* dbck required or not - True for OMAP3&4 */
	bool loses_context;	/* whether the bank would ever lose context */
	bool is_mpuio;		/* whether the bank is of type MPUIO */
	u32 non_wakeup_gpios;

	const struct omap_gpio_reg_offs *regs;

	/* Return context loss count due to PM states changing */
	int (*get_context_loss_count)(struct device *dev);
};

#endif /* __ASSEMBLER__ */

#endif
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