/* arch/arm/mach-s3c2410/include/mach/regs-gpio.h
 *
 * Copyright (c) 2003-2004 Simtec Electronics <linux@simtec.co.uk>
 *	http://www.simtec.co.uk/products/SWLINUX/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * S3C2410 GPIO register definitions
*/


#ifndef __ASM_ARCH_REGS_GPIO_H
#define __ASM_ARCH_REGS_GPIO_H

#include <mach/gpio-nrs.h>

#ifdef CONFIG_CPU_S3C2400
#define S3C24XX_GPIO_BASE(x)  S3C2400_GPIO_BASE(x)
#define S3C24XX_MISCCR        S3C2400_MISCCR
#else
#define S3C24XX_GPIO_BASE(x)  S3C2410_GPIO_BASE(x)
#define S3C24XX_MISCCR	      S3C24XX_GPIOREG2(0x80)
#endif /* CONFIG_CPU_S3C2400 */


/* S3C2400 doesn't have a 1:1 mapping to S3C2410 gpio base pins */

#define S3C2400_BANKNUM(pin)     (((pin) & ~31) / 32)
#define S3C2400_BASEA2B(pin)     ((((pin) & ~31) >> 2))
#define S3C2400_BASEC2H(pin)     ((S3C2400_BANKNUM(pin) * 10) + \
                                 (2 * (S3C2400_BANKNUM(pin)-2)))

#define S3C2400_GPIO_BASE(pin)   (pin < S3C2410_GPIO_BANKC ? \
                                 S3C2400_BASEA2B(pin)+S3C24XX_VA_GPIO : \
                                 S3C2400_BASEC2H(pin)+S3C24XX_VA_GPIO)


#define S3C2410_GPIO_BASE(pin)   ((((pin) & ~31) >> 1) + S3C24XX_VA_GPIO)
#define S3C2410_GPIO_OFFSET(pin) ((pin) & 31)

/* general configuration options */

#define S3C2410_GPIO_LEAVE   (0xFFFFFFFF)
#define S3C2410_GPIO_INPUT   (0xFFFFFFF0)	/* not available on A */
#define S3C2410_GPIO_OUTPUT  (0xFFFFFFF1)
#define S3C2410_GPIO_IRQ     (0xFFFFFFF2)	/* not available for all */
#define S3C2410_GPIO_SFN2    (0xFFFFFFF2)	/* bank A => addr/cs/nand */
#define S3C2410_GPIO_SFN3    (0xFFFFFFF3)	/* not available on A */

/* register address for the GPIO registers.
 * S3C24XX_GPIOREG2 is for the second set of registers in the
 * GPIO which move between s3c2410 and s3c2412 type systems */

#define S3C2410_GPIOREG(x) ((x) + S3C24XX_VA_GPIO)
#define S3C24XX_GPIOREG2(x) ((x) + S3C24XX_VA_GPIO2)


/* configure GPIO ports A..G */

/* port A - S3C2410: 22bits, zero in bit X makes pin X output
 *          S3C2400: 18bits, zero in bit X makes pin X output
 * 1 makes port special function, this is default
*/
#define S3C2410_GPACON	   S3C2410_GPIOREG(0x00)
#define S3C2410_GPADAT	   S3C2410_GPIOREG(0x04)

#define S3C2400_GPACON	   S3C2410_GPIOREG(0x00)
#define S3C2400_GPADAT	   S3C2410_GPIOREG(0x04)

#define S3C2410_GPA0_ADDR0   (1<<0)

#define S3C2410_GPA1_ADDR16  (1<<1)

#define S3C2410_GPA2_ADDR17  (1<<2)

#define S3C2410_GPA3_ADDR18  (1<<3)

#define S3C2410_GPA4_ADDR19  (1<<4)

#define S3C2410_GPA5_ADDR20  (1<<5)

#define S3C2410_GPA6_ADDR21  (1<<6)

#define S3C2410_GPA7_ADDR22  (1<<7)

#define S3C2410_GPA8_ADDR23  (1<<8)

#define S3C2410_GPA9_ADDR24  (1<<9)

#define S3C2410_GPA10_ADDR25 (1<<10)
#define S3C2400_GPA10_SCKE   (1<<10)

#define S3C2410_GPA11_ADDR26 (1<<11)
#define S3C2400_GPA11_nCAS0  (1<<11)

#define S3C2410_GPA12_nGCS1  (1<<12)
#define S3C2400_GPA12_nCAS1  (1<<12)

#define S3C2410_GPA13_nGCS2  (1<<13)
#define S3C2400_GPA13_nGCS1  (1<<13)

#define S3C2410_GPA14_nGCS3  (1<<14)
#define S3C2400_GPA14_nGCS2  (1<<14)

#define S3C2410_GPA15_nGCS4  (1<<15)
#define S3C2400_GPA15_nGCS3  (1<<15)

#define S3C2410_GPA16_nGCS5  (1<<16)
#define S3C2400_GPA16_nGCS4  (1<<16)

#define S3C2410_GPA17_CLE    (1<<17)
#define S3C2400_GPA17_nGCS5  (1<<17)

#define S3C2410_GPA18_ALE    (1<<18)

#define S3C2410_GPA19_nFWE   (1<<19)

#define S3C2410_GPA20_nFRE   (1<<20)

#define S3C2410_GPA21_nRSTOUT (1<<21)

#define S3C2410_GPA22_nFCE   (1<<22)

/* 0x08 and 0x0c are reserved on S3C2410 */

/* S3C2410:
 * GPB is 10 IO pins, each configured by 2 bits each in GPBCON.
 *   00 = input, 01 = output, 10=special function, 11=reserved

 * S3C2400:
 * GPB is 16 IO pins, each configured by 2 bits each in GPBCON.
 *   00 = input, 01 = output, 10=data, 11=special function

 * bit 0,1 = pin 0, 2,3= pin 1...
 *
 * CPBUP = pull up resistor control, 1=disabled, 0=enabled
*/

#define S3C2410_GPBCON	   S3C2410_GPIOREG(0x10)
#define S3C2410_GPBDAT	   S3C2410_GPIOREG(0x14)
#define S3C2410_GPBUP	   S3C2410_GPIOREG(0x18)

#define S3C2400_GPBCON	   S3C2410_GPIOREG(0x08)
#define S3C2400_GPBDAT	   S3C2410_GPIOREG(0x0C)
#define S3C2400_GPBUP	   S3C2410_GPIOREG(0x10)

/* no i/o pin in port b can have value 3 (unless it is a s3c2443) ! */

#define S3C2410_GPB0_TOUT0   (0x02 << 0)
#define S3C2400_GPB0_DATA16  (0x02 << 0)

#define S3C2410_GPB1_TOUT1   (0x02 << 2)
#define S3C2400_GPB1_DATA17  (0x02 << 2)

#define S3C2410_GPB2_TOUT2   (0x02 << 4)
#define S3C2400_GPB2_DATA18  (0x02 << 4)
#define S3C2400_GPB2_TCLK1   (0x03 << 4)

#define S3C2410_GPB3_TOUT3   (0x02 << 6)
#define S3C2400_GPB3_DATA19  (0x02 << 6)
#define S3C2400_GPB3_TXD1    (0x03 << 6)

#define S3C2410_GPB4_TCLK0   (0x02 << 8)
#define S3C2400_GPB4_DATA20  (0x02 << 8)
#define S3C2410_GPB4_MASK    (0x03 << 8)
#define S3C2400_GPB4_RXD1    (0x03 << 8)
#define S3C2400_GPB4_MASK    (0x03 << 8)

#define S3C2410_GPB5_nXBACK  (0x02 << 10)
#define S3C2443_GPB5_XBACK   (0x03 << 10)
#define S3C2400_GPB5_DATA21  (0x02 << 10)
#define S3C2400_GPB5_nCTS1   (0x03 << 10)

#define S3C2410_GPB6_nXBREQ  (0x02 << 12)
#define S3C2443_GPB6_XBREQ   (0x03 << 12)
#define S3C2400_GPB6_DATA22  (0x02 << 12)
#define S3C2400_GPB6_nRTS1   (0x03 << 12)

#define S3C2410_GPB7_nXDACK1 (0x02 << 14)
#define S3C2443_GPB7_XDACK1  (0x03 << 14)
#define S3C2400_GPB7_DATA23  (0x02 << 14)

#define S3C2410_GPB8_nXDREQ1 (0x02 << 16)
#define S3C2400_GPB8_DATA24  (0x02 << 16)

#define S3C2410_GPB9_nXDACK0 (0x02 << 18)
#define S3C2443_GPB9_XDACK0  (0x03 << 18)
#define S3C2400_GPB9_DATA25  (0x02 << 18)
#define S3C2400_GPB9_I2SSDI  (0x03 << 18)

#define S3C2410_GPB10_nXDRE0 (0x02 << 20)
#define S3C2443_GPB10_XDREQ0 (0x03 << 20)
#define S3C2400_GPB10_DATA26 (0x02 << 20)
#define S3C2400_GPB10_nSS    (0x03 << 20)

#define S3C2400_GPB11_INP    (0x00 << 22)
#define S3C2400_GPB11_OUTP   (0x01 << 22)
#define S3C2400_GPB11_DATA27 (0x02 << 22)

#define S3C2400_GPB12_INP    (0x00 << 24)
#define S3C2400_GPB12_OUTP   (0x01 << 24)
#define S3C2400_GPB12_DATA28 (0x02 << 24)

#define S3C2400_GPB13_INP    (0x00 << 26)
#define S3C2400_GPB13_OUTP   (0x01 << 26)
#define S3C2400_GPB13_DATA29 (0x02 << 26)

#define S3C2400_GPB14_INP    (0x00 << 28)
#define S3C2400_GPB14_OUTP   (0x01 << 28)
#define S3C2400_GPB14_DATA30 (0x02 << 28)

#define S3C2400_GPB15_INP    (0x00 << 30)
#define S3C2400_GPB15_OUTP   (0x01 << 30)
#define S3C2400_GPB15_DATA31 (0x02 << 30)

#define S3C2410_GPB_PUPDIS(x)  (1<<(x))

/* Port C consits of 16 GPIO/Special function
 *
 * almost identical setup to port b, but the special functions are mostly
 * to do with the video system's sync/etc.
*/

#define S3C2410_GPCCON	   S3C2410_GPIOREG(0x20)
#define S3C2410_GPCDAT	   S3C2410_GPIOREG(0x24)
#define S3C2410_GPCUP	   S3C2410_GPIOREG(0x28)

#define S3C2400_GPCCON	   S3C2410_GPIOREG(0x14)
#define S3C2400_GPCDAT	   S3C2410_GPIOREG(0x18)
#define S3C2400_GPCUP	   S3C2410_GPIOREG(0x1C)

#define S3C2410_GPC0_LEND	(0x02 << 0)
#define S3C2400_GPC0_VD0 	(0x02 << 0)

#define S3C2410_GPC1_VCLK	(0x02 << 2)
#define S3C2400_GPC1_VD1 	(0x02 << 2)

#define S3C2410_GPC2_VLINE	(0x02 << 4)
#define S3C2400_GPC2_VD2  	(0x02 << 4)

#define S3C2410_GPC3_VFRAME	(0x02 << 6)
#define S3C2400_GPC3_VD3   	(0x02 << 6)

#define S3C2410_GPC4_VM		(0x02 << 8)
#define S3C2400_GPC4_VD4	(0x02 << 8)

#define S3C2410_GPC5_LCDVF0	(0x02 << 10)
#define S3C2400_GPC5_VD5   	(0x02 << 10)

#define S3C2410_GPC6_LCDVF1	(0x02 << 12)
#define S3C2400_GPC6_VD6   	(0x02 << 12)

#define S3C2410_GPC7_LCDVF2	(0x02 << 14)
#define S3C2400_GPC7_VD7   	(0x02 << 14)

#define S3C2410_GPC8_VD0	(0x02 << 16)
#define S3C2400_GPC8_VD8	(0x02 << 16)

#define S3C2410_GPC9_VD1	(0x02 << 18)
#define S3C2400_GPC9_VD9	(0x02 << 18)

#define S3C2410_GPC10_VD2	(0x02 << 20)
#define S3C2400_GPC10_VD10	(0x02 << 20)

#define S3C2410_GPC11_VD3	(0x02 << 22)
#define S3C2400_GPC11_VD11	(0x02 << 22)

#define S3C2410_GPC12_VD4	(0x02 << 24)
#define S3C2400_GPC12_VD12	(0x02 << 24)

#define S3C2410_GPC13_VD5	(0x02 << 26)
#define S3C2400_GPC13_VD13	(0x02 << 26)

#define S3C2410_GPC14_VD6	(0x02 << 28)
#define S3C2400_GPC14_VD14	(0x02 << 28)

#define S3C2410_GPC15_VD7	(0x02 << 30)
#define S3C2400_GPC15_VD15	(0x02 << 30)

#define S3C2410_GPC_PUPDIS(x)  (1<<(x))

/*
 * S3C2410: Port D consists of 16 GPIO/Special function
 *
 * almost identical setup to port b, but the special functions are mostly
 * to do with the video system's data.
 *
 * S3C2400: Port D consists of 11 GPIO/Special function
 *
 * almost identical setup to port c
*/

#define S3C2410_GPDCON	   S3C2410_GPIOREG(0x30)
#define S3C2410_GPDDAT	   S3C2410_GPIOREG(0x34)
#define S3C2410_GPDUP	   S3C2410_GPIOREG(0x38)

#define S3C2400_GPDCON	   S3C2410_GPIOREG(0x20)
#define S3C2400_GPDDAT	   S3C2410_GPIOREG(0x24)
#define S3C2400_GPDUP	   S3C2410_GPIOREG(0x28)

#define S3C2410_GPD0_VD8	(0x02 << 0)
#define S3C2400_GPD0_VFRAME	(0x02 << 0)
#define S3C2442_GPD0_nSPICS1	(0x03 << 0)

#define S3C2410_GPD1_VD9	(0x02 << 2)
#define S3C2400_GPD1_VM		(0x02 << 2)
#define S3C2442_GPD1_SPICLK1	(0x03 << 2)

#define S3C2410_GPD2_VD10	(0x02 << 4)
#define S3C2400_GPD2_VLINE	(0x02 << 4)

#define S3C2410_GPD3_VD11	(0x02 << 6)
#define S3C2400_GPD3_VCLK	(0x02 << 6)

#define S3C2410_GPD4_VD12	(0x02 << 8)
#define S3C2400_GPD4_LEND	(0x02 << 8)

#define S3C2410_GPD5_VD13	(0x02 << 10)
#define S3C2400_GPD5_TOUT0	(0x02 << 10)

#define S3C2410_GPD6_VD14	(0x02 << 12)
#define S3C2400_GPD6_TOUT1	(0x02 << 12)

#define S3C2410_GPD7_VD15	(0x02 << 14)
#define S3C2400_GPD7_TOUT2	(0x02 << 14)

#define S3C2410_GPD8_VD16	(0x02 << 16)
#define S3C2400_GPD8_TOUT3	(0x02 << 16)
#define S3C2440_GPD8_SPIMISO1	(0x03 << 16)

#define S3C2410_GPD9_VD17	(0x02 << 18)
#define S3C2400_GPD9_TCLK0	(0x02 << 18)
#define S3C2440_GPD9_SPIMOSI1	(0x03 << 18)

#define S3C2410_GPD10_VD18	(0x02 << 20)
#define S3C2400_GPD10_nWAIT	(0x02 << 20)
#define S3C2440_GPD10_SPICLK1	(0x03 << 20)

#define S3C2410_GPD11_VD19	(0x02 << 22)

#define S3C2410_GPD12_VD20	(0x02 << 24)

#define S3C2410_GPD13_VD21	(0x02 << 26)

#define S3C2410_GPD14_VD22	(0x02 << 28)
#define S3C2410_GPD14_nSS1	(0x03 << 28)

#define S3C2410_GPD15_VD23	(0x02 << 30)
#define S3C2410_GPD15_nSS0	(0x03 << 30)

#define S3C2410_GPD_PUPDIS(x)  (1<<(x))

/* S3C2410:
 * Port E consists of 16 GPIO/Special function
 *
 * again, the same as port B, but dealing with I2S, SDI, and
 * more miscellaneous functions
 *
 * S3C2400:
 * Port E consists of 12 GPIO/Special function
 *
 * GPIO / interrupt inputs
*/

#define S3C2410_GPECON	   S3C2410_GPIOREG(0x40)
#define S3C2410_GPEDAT	   S3C2410_GPIOREG(0x44)
#define S3C2410_GPEUP	   S3C2410_GPIOREG(0x48)

#define S3C2400_GPECON	   S3C2410_GPIOREG(0x2C)
#define S3C2400_GPEDAT	   S3C2410_GPIOREG(0x30)
#define S3C2400_GPEUP	   S3C2410_GPIOREG(0x34)

#define S3C2410_GPE0_I2SLRCK   (0x02 << 0)
#define S3C2443_GPE0_AC_nRESET (0x03 << 0)
#define S3C2400_GPE0_EINT0     (0x02 << 0)
#define S3C2410_GPE0_MASK      (0x03 << 0)

#define S3C2410_GPE1_I2SSCLK   (0x02 << 2)
#define S3C2443_GPE1_AC_SYNC   (0x03 << 2)
#define S3C2400_GPE1_EINT1     (0x02 << 2)
#define S3C2400_GPE1_nSS       (0x03 << 2)
#define S3C2410_GPE1_MASK      (0x03 << 2)

#define S3C2410_GPE2_CDCLK     (0x02 << 4)
#define S3C2443_GPE2_AC_BITCLK (0x03 << 4)
#define S3C2400_GPE2_EINT2     (0x02 << 4)
#define S3C2400_GPE2_I2SSDI    (0x03 << 4)

#define S3C2410_GPE3_I2SSDI    (0x02 << 6)
#define S3C2443_GPE3_AC_SDI    (0x03 << 6)
#define S3C2400_GPE3_EINT3     (0x02 << 6)
#define S3C2400_GPE3_nCTS1     (0x03 << 6)
#define S3C2410_GPE3_nSS0      (0x03 << 6)
#define S3C2410_GPE3_MASK      (0x03 << 6)

#define S3C2410_GPE4_I2SSDO    (0x02 << 8)
#define S3C2443_GPE4_AC_SDO    (0x03 << 8)
#define S3C2400_GPE4_EINT4     (0x02 << 8)
#define S3C2400_GPE4_nRTS1     (0x03 << 8)
#define S3C2410_GPE4_I2SSDI    (0x03 << 8)
#define S3C2410_GPE4_MASK      (0x03 << 8)

#define S3C2410_GPE5_SDCLK     (0x02 << 10)
#define S3C2443_GPE5_SD1_CLK   (0x02 << 10)
#define S3C2400_GPE5_EINT5     (0x02 << 10)
#define S3C2400_GPE5_TCLK1     (0x03 << 10)
#define S3C2443_GPE5_AC_BITCLK (0x03 << 10)

#define S3C2410_GPE6_SDCMD     (0x02 << 12)
#define S3C2443_GPE6_SD1_CMD   (0x02 << 12)
#define S3C2443_GPE6_AC_SDI    (0x03 << 12)
#define S3C2400_GPE6_EINT6     (0x02 << 12)

#define S3C2410_GPE7_SDDAT0    (0x02 << 14)
#define S3C2443_GPE5_SD1_DAT0  (0x02 << 14)
#define S3C2443_GPE7_AC_SDO    (0x03 << 14)
#define S3C2400_GPE7_EINT7     (0x02 << 14)

#define S3C2410_GPE8_SDDAT1    (0x02 << 16)
#define S3C2443_GPE8_SD1_DAT1  (0x02 << 16)
#define S3C2443_GPE8_AC_SYNC   (0x03 << 16)
#define S3C2400_GPE8_nXDACK0   (0x02 << 16)

#define S3C2410_GPE9_SDDAT2    (0x02 << 18)
#define S3C2443_GPE9_SD1_DAT2  (0x02 << 18)
#define S3C2443_GPE9_AC_nRESET (0x03 << 18)
#define S3C2400_GPE9_nXDACK1   (0x02 << 18)
#define S3C2400_GPE9_nXBACK    (0x03 << 18)

#define S3C2410_GPE10_SDDAT3   (0x02 << 20)
#define S3C2443_GPE10_SD1_DAT3 (0x02 << 20)
#define S3C2400_GPE10_nXDREQ0  (0x02 << 20)

#define S3C2410_GPE11_SPIMISO0 (0x02 << 22)
#define S3C2400_GPE11_nXDREQ1  (0x02 << 22)
#define S3C2400_GPE11_nXBREQ   (0x03 << 22)

#define S3C2410_GPE12_SPIMOSI0 (0x02 << 24)

#define S3C2410_GPE13_SPICLK0  (0x02 << 26)

#define S3C2410_GPE14_IICSCL   (0x02 << 28)
#define S3C2410_GPE14_MASK     (0x03 << 28)

#define S3C2410_GPE15_IICSDA   (0x02 << 30)
#define S3C2410_GPE15_MASK     (0x03 << 30)

#define S3C2440_GPE0_ACSYNC    (0x03 << 0)
#define S3C2440_GPE1_ACBITCLK  (0x03 << 2)
#define S3C2440_GPE2_ACRESET   (0x03 << 4)
#define S3C2440_GPE3_ACIN      (0x03 << 6)
#define S3C2440_GPE4_ACOUT     (0x03 << 8)

#define S3C2410_GPE_PUPDIS(x)  (1<<(x))

/* S3C2410:
 * Port F consists of 8 GPIO/Special function
 *
 * GPIO / interrupt inputs
 *
 * GPFCON has 2 bits for each of the input pins on port F
 *   00 = 0 input, 1 output, 2 interrupt (EINT0..7), 3 undefined
 *
 * pull up works like all other ports.
 *
 * S3C2400:
 * Port F consists of 7 GPIO/Special function
 *
 * GPIO/serial/misc pins
*/

#define S3C2410_GPFCON	   S3C2410_GPIOREG(0x50)
#define S3C2410_GPFDAT	   S3C2410_GPIOREG(0x54)
#define S3C2410_GPFUP	   S3C2410_GPIOREG(0x58)

#define S3C2400_GPFCON	   S3C2410_GPIOREG(0x38)
#define S3C2400_GPFDAT	   S3C2410_GPIOREG(0x3C)
#define S3C2400_GPFUP	   S3C2410_GPIOREG(0x40)

#define S3C2410_GPF0_EINT0  (0x02 << 0)
#define S3C2400_GPF0_RXD0   (0x02 << 0)

#define S3C2410_GPF1_EINT1  (0x02 << 2)
#define S3C2400_GPF1_RXD1   (0x02 << 2)
#define S3C2400_GPF1_IICSDA (0x03 << 2)

#define S3C2410_GPF2_EINT2  (0x02 << 4)
#define S3C2400_GPF2_TXD0   (0x02 << 4)

#define S3C2410_GPF3_EINT3  (0x02 << 6)
#define S3C2400_GPF3_TXD1   (0x02 << 6)
#define S3C2400_GPF3_IICSCL (0x03 << 6)

#define S3C2410_GPF4_EINT4  (0x02 << 8)
#define S3C2400_GPF4_nRTS0  (0x02 << 8)
#define S3C2400_GPF4_nXBACK (0x03 << 8)

#define S3C2410_GPF5_EINT5  (0x02 << 10)
#define S3C2400_GPF5_nCTS0  (0x02 << 10)
#define S3C2400_GPF5_nXBREQ (0x03 << 10)

#define S3C2410_GPF6_EINT6  (0x02 << 12)
#define S3C2400_GPF6_CLKOUT (0x02 << 12)

#define S3C2410_GPF7_EINT7  (0x02 << 14)

#define S3C2410_GPF_PUPDIS(x)  (1<<(x))

/* S3C2410:
 * Port G consists of 8 GPIO/IRQ/Special function
 *
 * GPGCON has 2 bits for each of the input pins on port F
 *   00 = 0 input, 1 output, 2 interrupt (EINT0..7), 3 special func
 *
 * pull up works like all other ports.
 *
 * S3C2400:
 * Port G consists of 10 GPIO/Special function
*/

#define S3C2410_GPGCON	   S3C2410_GPIOREG(0x60)
#define S3C2410_GPGDAT	   S3C2410_GPIOREG(0x64)
#define S3C2410_GPGUP	   S3C2410_GPIOREG(0x68)

#define S3C2400_GPGCON	   S3C2410_GPIOREG(0x44)
#define S3C2400_GPGDAT	   S3C2410_GPIOREG(0x48)
#define S3C2400_GPGUP	   S3C2410_GPIOREG(0x4C)

#define S3C2410_GPG0_EINT8    (0x02 << 0)
#define S3C2400_GPG0_I2SLRCK  (0x02 << 0)

#define S3C2410_GPG1_EINT9    (0x02 << 2)
#define S3C2400_GPG1_I2SSCLK  (0x02 << 2)

#define S3C2410_GPG2_EINT10   (0x02 << 4)
#define S3C2410_GPG2_nSS0     (0x03 << 4)
#define S3C2400_GPG2_CDCLK    (0x02 << 4)

#define S3C2410_GPG3_EINT11   (0x02 << 6)
#define S3C2410_GPG3_nSS1     (0x03 << 6)
#define S3C2400_GPG3_I2SSDO   (0x02 << 6)
#define S3C2400_GPG3_I2SSDI   (0x03 << 6)

#define S3C2410_GPG4_EINT12   (0x02 << 8)
#define S3C2400_GPG4_MMCCLK   (0x02 << 8)
#define S3C2400_GPG4_I2SSDI   (0x03 << 8)
#define S3C2410_GPG4_LCDPWREN (0x03 << 8)
#define S3C2443_GPG4_LCDPWRDN (0x03 << 8)

#define S3C2410_GPG5_EINT13   (0x02 << 10)
#define S3C2400_GPG5_MMCCMD   (0x02 << 10)
#define S3C2400_GPG5_IICSDA   (0x03 << 10)
#define S3C2410_GPG5_SPIMISO1 (0x03 << 10)	/* not s3c2443 */

#define S3C2410_GPG6_EINT14   (0x02 << 12)
#define S3C2400_GPG6_MMCDAT   (0x02 << 12)
#define S3C2400_GPG6_IICSCL   (0x03 << 12)
#define S3C2410_GPG6_SPIMOSI1 (0x03 << 12)

#define S3C2410_GPG7_EINT15   (0x02 << 14)
#define S3C2410_GPG7_SPICLK1  (0x03 << 14)
#define S3C2400_GPG7_SPIMISO  (0x02 << 14)
#define S3C2400_GPG7_IICSDA   (0x03 << 14)

#define S3C2410_GPG8_EINT16   (0x02 << 16)
#define S3C2400_GPG8_SPIMOSI  (0x02 << 16)
#define S3C2400_GPG8_IICSCL   (0x03 << 16)

#define S3C2410_GPG9_EINT17   (0x02 << 18)
#define S3C2400_GPG9_SPICLK   (0x02 << 18)
#define S3C2400_GPG9_MMCCLK   (0x03 << 18)

#define S3C2410_GPG10_EINT18  (0x02 << 20)

#define S3C2410_GPG11_EINT19  (0x02 << 22)
#define S3C2410_GPG11_TCLK1   (0x03 << 22)
#define S3C2443_GPG11_CF_nIREQ (0x03 << 22)

#define S3C2410_GPG12_EINT20  (0x02 << 24)
#define S3C2410_GPG12_XMON    (0x03 << 24)
#define S3C2442_GPG12_nSPICS0 (0x03 << 24)
#define S3C2443_GPG12_nINPACK (0x03 << 24)

#define S3C2410_GPG13_EINT21  (0x02 << 26)
#define S3C2410_GPG13_nXPON   (0x03 << 26)
#define S3C2443_GPG13_CF_nREG (0x03 << 26)

#define S3C2410_GPG14_EINT22  (0x02 << 28)
#define S3C2410_GPG14_YMON    (0x03 << 28)
#define S3C2443_GPG14_CF_RESET (0x03 << 28)

#define S3C2410_GPG15_EINT23  (0x02 << 30)
#define S3C2410_GPG15_nYPON   (0x03 << 30)
#define S3C2443_GPG15_CF_PWR  (0x03 << 30)

#define S3C2410_GPG_PUPDIS(x)  (1<<(x))

/* Port H consists of11 GPIO/serial/Misc pins
 *
 * GPGCON has 2 bits for each of the input pins on port F
 *   00 = 0 input, 1 output, 2 interrupt (EINT0..7), 3 special func
 *
 * pull up works like all other ports.
*/

#define S3C2410_GPHCON	   S3C2410_GPIOREG(0x70)
#define S3C2410_GPHDAT	   S3C2410_GPIOREG(0x74)
#define S3C2410_GPHUP	   S3C2410_GPIOREG(0x78)

#define S3C2410_GPH0_nCTS0  (0x02 << 0)

#define S3C2410_GPH1_nRTS0  (0x02 << 2)

#define S3C2410_GPH2_TXD0   (0x02 << 4)

#define S3C2410_GPH3_RXD0   (0x02 << 6)

#define S3C2410_GPH4_TXD1   (0x02 << 8)

#define S3C2410_GPH5_RXD1   (0x02 << 10)

#define S3C2410_GPH6_TXD2   (0x02 << 12)
#define S3C2410_GPH6_nRTS1  (0x03 << 12)

#define S3C2410_GPH7_RXD2   (0x02 << 14)
#define S3C2410_GPH7_nCTS1  (0x03 << 14)

#define S3C2410_GPH8_UCLK   (0x02 << 16)

#define S3C2410_GPH9_CLKOUT0  (0x02 << 18)
#define S3C2442_GPH9_nSPICS0  (0x03 << 18)

#define S3C2410_GPH10_CLKOUT1 (0x02 << 20)

/* The S3C2412 and S3C2413 move the GPJ register set to after
 * GPH, which means all registers after 0x80 are now offset by 0x10
 * for the 2412/2413 from the 2410/2440/2442
*/

/* miscellaneous control */
#define S3C2400_MISCCR	   S3C2410_GPIOREG(0x54)
#define S3C2410_MISCCR	   S3C2410_GPIOREG(0x80)
#define S3C2410_DCLKCON	   S3C2410_GPIOREG(0x84)

#define S3C24XX_DCLKCON	   S3C24XX_GPIOREG2(0x84)

/* see clock.h for dclk definitions */

/* pullup control on databus */
#define S3C2410_MISCCR_SPUCR_HEN    (0<<0)
#define S3C2410_MISCCR_SPUCR_HDIS   (1<<0)
#define S3C2410_MISCCR_SPUCR_LEN    (0<<1)
#define S3C2410_MISCCR_SPUCR_LDIS   (1<<1)

#define S3C2400_MISCCR_SPUCR_LEN    (0<<0)
#define S3C2400_MISCCR_SPUCR_LDIS   (1<<0)
#define S3C2400_MISCCR_SPUCR_HEN    (0<<1)
#define S3C2400_MISCCR_SPUCR_HDIS   (1<<1)

#define S3C2400_MISCCR_HZ_STOPEN    (0<<2)
#define S3C2400_MISCCR_HZ_STOPPREV  (1<<2)

#define S3C2410_MISCCR_USBDEV	    (0<<3)
#define S3C2410_MISCCR_USBHOST	    (1<<3)

#define S3C2410_MISCCR_CLK0_MPLL    (0<<4)
#define S3C2410_MISCCR_CLK0_UPLL    (1<<4)
#define S3C2410_MISCCR_CLK0_FCLK    (2<<4)
#define S3C2410_MISCCR_CLK0_HCLK    (3<<4)
#define S3C2410_MISCCR_CLK0_PCLK    (4<<4)
#define S3C2410_MISCCR_CLK0_DCLK0   (5<<4)
#define S3C2410_MISCCR_CLK0_MASK    (7<<4)

#define S3C2412_MISCCR_CLK0_RTC	    (2<<4)

#define S3C2410_MISCCR_CLK1_MPLL    (0<<8)
#define S3C2410_MISCCR_CLK1_UPLL    (1<<8)
#define S3C2410_MISCCR_CLK1_FCLK    (2<<8)
#define S3C2410_MISCCR_CLK1_HCLK    (3<<8)
#define S3C2410_MISCCR_CLK1_PCLK    (4<<8)
#define S3C2410_MISCCR_CLK1_DCLK1   (5<<8)
#define S3C2410_MISCCR_CLK1_MASK    (7<<8)

#define S3C2412_MISCCR_CLK1_CLKsrc  (0<<8)

#define S3C2410_MISCCR_USBSUSPND0   (1<<12)
#define S3C2410_MISCCR_USBSUSPND1   (1<<13)

#define S3C2410_MISCCR_nRSTCON	    (1<<16)

#define S3C2410_MISCCR_nEN_SCLK0    (1<<17)
#define S3C2410_MISCCR_nEN_SCLK1    (1<<18)
#define S3C2410_MISCCR_nEN_SCLKE    (1<<19)	/* not 2412 */
#define S3C2410_MISCCR_SDSLEEP	    (7<<17)

/* external interrupt control... */
/* S3C2410_EXTINT0 -> irq sense control for EINT0..EINT7
 * S3C2410_EXTINT1 -> irq sense control for EINT8..EINT15
 * S3C2410_EXTINT2 -> irq sense control for EINT16..EINT23
 *
 * note S3C2410_EXTINT2 has filtering options for EINT16..EINT23
 *
 * Samsung datasheet p9-25
*/
#define S3C2400_EXTINT0    S3C2410_GPIOREG(0x58)
#define S3C2410_EXTINT0	   S3C2410_GPIOREG(0x88)
#define S3C2410_EXTINT1	   S3C2410_GPIOREG(0x8C)
#define S3C2410_EXTINT2	   S3C2410_GPIOREG(0x90)

#define S3C24XX_EXTINT0	   S3C24XX_GPIOREG2(0x88)
#define S3C24XX_EXTINT1	   S3C24XX_GPIOREG2(0x8C)
#define S3C24XX_EXTINT2	   S3C24XX_GPIOREG2(0x90)

/* interrupt filtering conrrol for EINT16..EINT23 */
#define S3C2410_EINFLT0	   S3C2410_GPIOREG(0x94)
#define S3C2410_EINFLT1	   S3C2410_GPIOREG(0x98)
#define S3C2410_EINFLT2	   S3C2410_GPIOREG(0x9C)
#define S3C2410_EINFLT3	   S3C2410_GPIOREG(0xA0)

#define S3C24XX_EINFLT0	   S3C24XX_GPIOREG2(0x94)
#define S3C24XX_EINFLT1	   S3C24XX_GPIOREG2(0x98)
#define S3C24XX_EINFLT2	   S3C24XX_GPIOREG2(0x9C)
#define S3C24XX_EINFLT3	   S3C24XX_GPIOREG2(0xA0)

/* values for interrupt filtering */
#define S3C2410_EINTFLT_PCLK		(0x00)
#define S3C2410_EINTFLT_EXTCLK		(1<<7)
#define S3C2410_EINTFLT_WIDTHMSK(x)	((x) & 0x3f)

/* removed EINTxxxx defs from here, not meant for this */

/* GSTATUS have miscellaneous information in them
 *
 * These move between s3c2410 and s3c2412 style systems.
 */

#define S3C2410_GSTATUS0   S3C2410_GPIOREG(0x0AC)
#define S3C2410_GSTATUS1   S3C2410_GPIOREG(0x0B0)
#define S3C2410_GSTATUS2   S3C2410_GPIOREG(0x0B4)
#define S3C2410_GSTATUS3   S3C2410_GPIOREG(0x0B8)
#define S3C2410_GSTATUS4   S3C2410_GPIOREG(0x0BC)

#define S3C2412_GSTATUS0   S3C2410_GPIOREG(0x0BC)
#define S3C2412_GSTATUS1   S3C2410_GPIOREG(0x0C0)
#define S3C2412_GSTATUS2   S3C2410_GPIOREG(0x0C4)
#define S3C2412_GSTATUS3   S3C2410_GPIOREG(0x0C8)
#define S3C2412_GSTATUS4   S3C2410_GPIOREG(0x0CC)

#define S3C24XX_GSTATUS0   S3C24XX_GPIOREG2(0x0AC)
#define S3C24XX_GSTATUS1   S3C24XX_GPIOREG2(0x0B0)
#define S3C24XX_GSTATUS2   S3C24XX_GPIOREG2(0x0B4)
#define S3C24XX_GSTATUS3   S3C24XX_GPIOREG2(0x0B8)
#define S3C24XX_GSTATUS4   S3C24XX_GPIOREG2(0x0BC)

#define S3C2410_GSTATUS0_nWAIT	   (1<<3)
#define S3C2410_GSTATUS0_NCON	   (1<<2)
#define S3C2410_GSTATUS0_RnB	   (1<<1)
#define S3C2410_GSTATUS0_nBATTFLT  (1<<0)

#define S3C2410_GSTATUS1_IDMASK	   (0xffff0000)
#define S3C2410_GSTATUS1_2410	   (0x32410000)
#define S3C2410_GSTATUS1_2412	   (0x32412001)
#define S3C2410_GSTATUS1_2440	   (0x32440000)
#define S3C2410_GSTATUS1_2442	   (0x32440aaa)

#define S3C2410_GSTATUS2_WTRESET   (1<<2)
#define S3C2410_GSTATUS2_OFFRESET  (1<<1)
#define S3C2410_GSTATUS2_PONRESET  (1<<0)

/* open drain control register */
#define S3C2400_OPENCR     S3C2410_GPIOREG(0x50)

#define S3C2400_OPENCR_OPC_RXD1DIS  (0<<0)
#define S3C2400_OPENCR_OPC_RXD1EN   (1<<0)
#define S3C2400_OPENCR_OPC_TXD1DIS  (0<<1)
#define S3C2400_OPENCR_OPC_TXD1EN   (1<<1)
#define S3C2400_OPENCR_OPC_CMDDIS   (0<<2)
#define S3C2400_OPENCR_OPC_CMDEN    (1<<2)
#define S3C2400_OPENCR_OPC_DATDIS   (0<<3)
#define S3C2400_OPENCR_OPC_DATEN    (1<<3)
#define S3C2400_OPENCR_OPC_MISODIS  (0<<4)
#define S3C2400_OPENCR_OPC_MISOEN   (1<<4)
#define S3C2400_OPENCR_OPC_MOSIDIS  (0<<5)
#define S3C2400_OPENCR_OPC_MOSIEN   (1<<5)

/* 2412/2413 sleep configuration registers */

#define S3C2412_GPBSLPCON	S3C2410_GPIOREG(0x1C)
#define S3C2412_GPCSLPCON	S3C2410_GPIOREG(0x2C)
#define S3C2412_GPDSLPCON	S3C2410_GPIOREG(0x3C)
#define S3C2412_GPFSLPCON	S3C2410_GPIOREG(0x5C)
#define S3C2412_GPGSLPCON	S3C2410_GPIOREG(0x6C)
#define S3C2412_GPHSLPCON	S3C2410_GPIOREG(0x7C)

/* definitions for each pin bit */
#define S3C2412_GPIO_SLPCON_LOW	 ( 0x00 )
#define S3C2412_GPIO_SLPCON_HIGH ( 0x01 )
#define S3C2412_GPIO_SLPCON_IN   ( 0x02 )
#define S3C2412_GPIO_SLPCON_PULL ( 0x03 )

#define S3C2412_SLPCON_LOW(x)	( 0x00 << ((x) * 2))
#define S3C2412_SLPCON_HIGH(x)	( 0x01 << ((x) * 2))
#define S3C2412_SLPCON_IN(x)	( 0x02 << ((x) * 2))
#define S3C2412_SLPCON_PULL(x)	( 0x03 << ((x) * 2))
#define S3C2412_SLPCON_EINT(x)	( 0x02 << ((x) * 2))  /* only IRQ pins */
#define S3C2412_SLPCON_MASK(x)	( 0x03 << ((x) * 2))

#define S3C2412_SLPCON_ALL_LOW	(0x0)
#define S3C2412_SLPCON_ALL_HIGH	(0x11111111 | 0x44444444)
#define S3C2412_SLPCON_ALL_IN  	(0x22222222 | 0x88888888)
#define S3C2412_SLPCON_ALL_PULL	(0x33333333)

#endif	/* __ASM_ARCH_REGS_GPIO_H */