arch/arm/include/asm/arch-exynos/gpio.h - github/trini/u-boot - Gitiles

 /*
  * (C) Copyright 2010 Samsung Electronics
  * Minkyu Kang <mk7.kang@samsung.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
  * published by the Free Software Foundation; either version 2 of
  * the License, or (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  * MA 02111-1307 USA
  */

 #ifndef __ASM_ARCH_GPIO_H
 #define __ASM_ARCH_GPIO_H

 #ifndef __ASSEMBLY__
 struct s5p_gpio_bank {
 	unsigned int	con;
 	unsigned int	dat;
 	unsigned int	pull;
 	unsigned int	drv;
 	unsigned int	pdn_con;
 	unsigned int	pdn_pull;
 	unsigned char	res1[8];
 };

 struct exynos4_gpio_part1 {
 	struct s5p_gpio_bank a0;
 	struct s5p_gpio_bank a1;
 	struct s5p_gpio_bank b;
 	struct s5p_gpio_bank c0;
 	struct s5p_gpio_bank c1;
 	struct s5p_gpio_bank d0;
 	struct s5p_gpio_bank d1;
 	struct s5p_gpio_bank e0;
 	struct s5p_gpio_bank e1;
 	struct s5p_gpio_bank e2;
 	struct s5p_gpio_bank e3;
 	struct s5p_gpio_bank e4;
 	struct s5p_gpio_bank f0;
 	struct s5p_gpio_bank f1;
 	struct s5p_gpio_bank f2;
 	struct s5p_gpio_bank f3;
 };

 struct exynos4_gpio_part2 {
 	struct s5p_gpio_bank j0;
 	struct s5p_gpio_bank j1;
 	struct s5p_gpio_bank k0;
 	struct s5p_gpio_bank k1;
 	struct s5p_gpio_bank k2;
 	struct s5p_gpio_bank k3;
 	struct s5p_gpio_bank l0;
 	struct s5p_gpio_bank l1;
 	struct s5p_gpio_bank l2;
 	struct s5p_gpio_bank y0;
 	struct s5p_gpio_bank y1;
 	struct s5p_gpio_bank y2;
 	struct s5p_gpio_bank y3;
 	struct s5p_gpio_bank y4;
 	struct s5p_gpio_bank y5;
 	struct s5p_gpio_bank y6;
 	struct s5p_gpio_bank res1[80];
 	struct s5p_gpio_bank x0;
 	struct s5p_gpio_bank x1;
 	struct s5p_gpio_bank x2;
 	struct s5p_gpio_bank x3;
 };

 struct exynos4_gpio_part3 {
 	struct s5p_gpio_bank z;
 };

 struct exynos5_gpio_part1 {
 	struct s5p_gpio_bank a0;
 	struct s5p_gpio_bank a1;
 	struct s5p_gpio_bank a2;
 	struct s5p_gpio_bank b0;
 	struct s5p_gpio_bank b1;
 	struct s5p_gpio_bank b2;
 	struct s5p_gpio_bank b3;
 	struct s5p_gpio_bank c0;
 	struct s5p_gpio_bank c1;
 	struct s5p_gpio_bank c2;
 	struct s5p_gpio_bank c3;
 	struct s5p_gpio_bank d0;
 	struct s5p_gpio_bank d1;
 	struct s5p_gpio_bank y0;
 	struct s5p_gpio_bank y1;
 	struct s5p_gpio_bank y2;
 	struct s5p_gpio_bank y3;
 	struct s5p_gpio_bank y4;
 	struct s5p_gpio_bank y5;
 	struct s5p_gpio_bank y6;
 	struct s5p_gpio_bank res1[0x980];
 	struct s5p_gpio_bank x0;
 	struct s5p_gpio_bank x1;
 	struct s5p_gpio_bank x2;
 	struct s5p_gpio_bank x3;
 };

 struct exynos5_gpio_part2 {
 	struct s5p_gpio_bank e0;
 	struct s5p_gpio_bank e1;
 	struct s5p_gpio_bank f0;
 	struct s5p_gpio_bank f1;
 	struct s5p_gpio_bank g0;
 	struct s5p_gpio_bank g1;
 	struct s5p_gpio_bank g2;
 	struct s5p_gpio_bank h0;
 	struct s5p_gpio_bank h1;
 };

 struct exynos5_gpio_part3 {
 	struct s5p_gpio_bank v0;
 	struct s5p_gpio_bank v1;
 	struct s5p_gpio_bank v2;
 	struct s5p_gpio_bank v3;
 	struct s5p_gpio_bank res1[0x20];
 	struct s5p_gpio_bank v4;
 };

 struct exynos5_gpio_part4 {
 	struct s5p_gpio_bank z;
 };

 /* functions */
 void s5p_gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg);
 void s5p_gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en);
 void s5p_gpio_direction_input(struct s5p_gpio_bank *bank, int gpio);
 void s5p_gpio_set_value(struct s5p_gpio_bank *bank, int gpio, int en);
 unsigned int s5p_gpio_get_value(struct s5p_gpio_bank *bank, int gpio);
 void s5p_gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode);
 void s5p_gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode);
 void s5p_gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode);

 /* GPIO pins per bank  */
 #define GPIO_PER_BANK 8

 #define exynos4_gpio_part1_get_nr(bank, pin) \
 	((((((unsigned int) &(((struct exynos4_gpio_part1 *) \
 			       EXYNOS4_GPIO_PART1_BASE)->bank)) \
 	    - EXYNOS4_GPIO_PART1_BASE) / sizeof(struct s5p_gpio_bank)) \
 	  * GPIO_PER_BANK) + pin)

 #define EXYNOS4_GPIO_PART1_MAX ((sizeof(struct exynos4_gpio_part1) \
 			    / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK)

 #define exynos4_gpio_part2_get_nr(bank, pin) \
 	(((((((unsigned int) &(((struct exynos4_gpio_part2 *) \
 				EXYNOS4_GPIO_PART2_BASE)->bank)) \
 	    - EXYNOS4_GPIO_PART2_BASE) / sizeof(struct s5p_gpio_bank)) \
 	  * GPIO_PER_BANK) + pin) + EXYNOS4_GPIO_PART1_MAX)

 #define exynos5_gpio_part1_get_nr(bank, pin) \
 	((((((unsigned int) &(((struct exynos5_gpio_part1 *) \
 			       EXYNOS5_GPIO_PART1_BASE)->bank)) \
 	    - EXYNOS5_GPIO_PART1_BASE) / sizeof(struct s5p_gpio_bank)) \
 	  * GPIO_PER_BANK) + pin)

 #define EXYNOS5_GPIO_PART1_MAX ((sizeof(struct exynos5_gpio_part1) \
 			    / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK)

 #define exynos5_gpio_part2_get_nr(bank, pin) \
 	(((((((unsigned int) &(((struct exynos5_gpio_part2 *) \
 				EXYNOS5_GPIO_PART2_BASE)->bank)) \
 	    - EXYNOS5_GPIO_PART2_BASE) / sizeof(struct s5p_gpio_bank)) \
 	  * GPIO_PER_BANK) + pin) + EXYNOS5_GPIO_PART1_MAX)

 #define EXYNOS5_GPIO_PART2_MAX ((sizeof(struct exynos5_gpio_part2) \
 			    / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK)

 #define exynos5_gpio_part3_get_nr(bank, pin) \
 	(((((((unsigned int) &(((struct exynos5_gpio_part3 *) \
 				EXYNOS5_GPIO_PART3_BASE)->bank)) \
 	    - EXYNOS5_GPIO_PART3_BASE) / sizeof(struct s5p_gpio_bank)) \
 	  * GPIO_PER_BANK) + pin) + EXYNOS5_GPIO_PART2_MAX)

 static inline unsigned int s5p_gpio_base(int nr)
 {
 	if (cpu_is_exynos5()) {
 		if (nr < EXYNOS5_GPIO_PART1_MAX)
 			return EXYNOS5_GPIO_PART1_BASE;
 		else if (nr < EXYNOS5_GPIO_PART2_MAX)
 			return EXYNOS5_GPIO_PART2_BASE;
 		else
 			return EXYNOS5_GPIO_PART3_BASE;

 	} else if (cpu_is_exynos4()) {
 		if (nr < EXYNOS4_GPIO_PART1_MAX)
 			return EXYNOS4_GPIO_PART1_BASE;
 		else
 			return EXYNOS4_GPIO_PART2_BASE;
 	}

 	return 0;
 }

 #endif

 /* Pin configurations */
 #define GPIO_INPUT	0x0
 #define GPIO_OUTPUT	0x1
 #define GPIO_IRQ	0xf
 #define GPIO_FUNC(x)	(x)

 /* Pull mode */
 #define GPIO_PULL_NONE	0x0
 #define GPIO_PULL_DOWN	0x1
 #define GPIO_PULL_UP	0x3

 /* Drive Strength level */
 #define GPIO_DRV_1X	0x0
 #define GPIO_DRV_3X	0x1
 #define GPIO_DRV_2X	0x2
 #define GPIO_DRV_4X	0x3
 #define GPIO_DRV_FAST	0x0
 #define GPIO_DRV_SLOW	0x1
 #endif
	/*
	* (C) Copyright 2010 Samsung Electronics
	* Minkyu Kang <mk7.kang@samsung.com>
	*
	* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU General Public License as
	* published by the Free Software Foundation; either version 2 of
	* the License, or (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	* MA 02111-1307 USA
	*/

	#ifndef __ASM_ARCH_GPIO_H
	#define __ASM_ARCH_GPIO_H

	#ifndef __ASSEMBLY__
	struct s5p_gpio_bank {
	unsigned int con;
	unsigned int dat;
	unsigned int pull;
	unsigned int drv;
	unsigned int pdn_con;
	unsigned int pdn_pull;
	unsigned char res1[8];
	};

	struct exynos4_gpio_part1 {
	struct s5p_gpio_bank a0;
	struct s5p_gpio_bank a1;
	struct s5p_gpio_bank b;
	struct s5p_gpio_bank c0;
	struct s5p_gpio_bank c1;
	struct s5p_gpio_bank d0;
	struct s5p_gpio_bank d1;
	struct s5p_gpio_bank e0;
	struct s5p_gpio_bank e1;
	struct s5p_gpio_bank e2;
	struct s5p_gpio_bank e3;
	struct s5p_gpio_bank e4;
	struct s5p_gpio_bank f0;
	struct s5p_gpio_bank f1;
	struct s5p_gpio_bank f2;
	struct s5p_gpio_bank f3;
	};

	struct exynos4_gpio_part2 {
	struct s5p_gpio_bank j0;
	struct s5p_gpio_bank j1;
	struct s5p_gpio_bank k0;
	struct s5p_gpio_bank k1;
	struct s5p_gpio_bank k2;
	struct s5p_gpio_bank k3;
	struct s5p_gpio_bank l0;
	struct s5p_gpio_bank l1;
	struct s5p_gpio_bank l2;
	struct s5p_gpio_bank y0;
	struct s5p_gpio_bank y1;
	struct s5p_gpio_bank y2;
	struct s5p_gpio_bank y3;
	struct s5p_gpio_bank y4;
	struct s5p_gpio_bank y5;
	struct s5p_gpio_bank y6;
	struct s5p_gpio_bank res1[80];
	struct s5p_gpio_bank x0;
	struct s5p_gpio_bank x1;
	struct s5p_gpio_bank x2;
	struct s5p_gpio_bank x3;
	};

	struct exynos4_gpio_part3 {
	struct s5p_gpio_bank z;
	};

	struct exynos5_gpio_part1 {
	struct s5p_gpio_bank a0;
	struct s5p_gpio_bank a1;
	struct s5p_gpio_bank a2;
	struct s5p_gpio_bank b0;
	struct s5p_gpio_bank b1;
	struct s5p_gpio_bank b2;
	struct s5p_gpio_bank b3;
	struct s5p_gpio_bank c0;
	struct s5p_gpio_bank c1;
	struct s5p_gpio_bank c2;
	struct s5p_gpio_bank c3;
	struct s5p_gpio_bank d0;
	struct s5p_gpio_bank d1;
	struct s5p_gpio_bank y0;
	struct s5p_gpio_bank y1;
	struct s5p_gpio_bank y2;
	struct s5p_gpio_bank y3;
	struct s5p_gpio_bank y4;
	struct s5p_gpio_bank y5;
	struct s5p_gpio_bank y6;
	struct s5p_gpio_bank res1[0x980];
	struct s5p_gpio_bank x0;
	struct s5p_gpio_bank x1;
	struct s5p_gpio_bank x2;
	struct s5p_gpio_bank x3;
	};

	struct exynos5_gpio_part2 {
	struct s5p_gpio_bank e0;
	struct s5p_gpio_bank e1;
	struct s5p_gpio_bank f0;
	struct s5p_gpio_bank f1;
	struct s5p_gpio_bank g0;
	struct s5p_gpio_bank g1;
	struct s5p_gpio_bank g2;
	struct s5p_gpio_bank h0;
	struct s5p_gpio_bank h1;
	};

	struct exynos5_gpio_part3 {
	struct s5p_gpio_bank v0;
	struct s5p_gpio_bank v1;
	struct s5p_gpio_bank v2;
	struct s5p_gpio_bank v3;
	struct s5p_gpio_bank res1[0x20];
	struct s5p_gpio_bank v4;
	};

	struct exynos5_gpio_part4 {
	struct s5p_gpio_bank z;
	};

	/* functions */
	void s5p_gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg);
	void s5p_gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en);
	void s5p_gpio_direction_input(struct s5p_gpio_bank *bank, int gpio);
	void s5p_gpio_set_value(struct s5p_gpio_bank *bank, int gpio, int en);
	unsigned int s5p_gpio_get_value(struct s5p_gpio_bank *bank, int gpio);
	void s5p_gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode);
	void s5p_gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode);
	void s5p_gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode);

	/* GPIO pins per bank */
	#define GPIO_PER_BANK 8

	#define exynos4_gpio_part1_get_nr(bank, pin) \
	((((((unsigned int) &(((struct exynos4_gpio_part1 *) \
	EXYNOS4_GPIO_PART1_BASE)->bank)) \
	- EXYNOS4_GPIO_PART1_BASE) / sizeof(struct s5p_gpio_bank)) \
	* GPIO_PER_BANK) + pin)

	#define EXYNOS4_GPIO_PART1_MAX ((sizeof(struct exynos4_gpio_part1) \
	/ sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK)

	#define exynos4_gpio_part2_get_nr(bank, pin) \
	(((((((unsigned int) &(((struct exynos4_gpio_part2 *) \
	EXYNOS4_GPIO_PART2_BASE)->bank)) \
	- EXYNOS4_GPIO_PART2_BASE) / sizeof(struct s5p_gpio_bank)) \
	* GPIO_PER_BANK) + pin) + EXYNOS4_GPIO_PART1_MAX)

	#define exynos5_gpio_part1_get_nr(bank, pin) \
	((((((unsigned int) &(((struct exynos5_gpio_part1 *) \
	EXYNOS5_GPIO_PART1_BASE)->bank)) \
	- EXYNOS5_GPIO_PART1_BASE) / sizeof(struct s5p_gpio_bank)) \
	* GPIO_PER_BANK) + pin)

	#define EXYNOS5_GPIO_PART1_MAX ((sizeof(struct exynos5_gpio_part1) \
	/ sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK)

	#define exynos5_gpio_part2_get_nr(bank, pin) \
	(((((((unsigned int) &(((struct exynos5_gpio_part2 *) \
	EXYNOS5_GPIO_PART2_BASE)->bank)) \
	- EXYNOS5_GPIO_PART2_BASE) / sizeof(struct s5p_gpio_bank)) \
	* GPIO_PER_BANK) + pin) + EXYNOS5_GPIO_PART1_MAX)

	#define EXYNOS5_GPIO_PART2_MAX ((sizeof(struct exynos5_gpio_part2) \
	/ sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK)

	#define exynos5_gpio_part3_get_nr(bank, pin) \
	(((((((unsigned int) &(((struct exynos5_gpio_part3 *) \
	EXYNOS5_GPIO_PART3_BASE)->bank)) \
	- EXYNOS5_GPIO_PART3_BASE) / sizeof(struct s5p_gpio_bank)) \
	* GPIO_PER_BANK) + pin) + EXYNOS5_GPIO_PART2_MAX)

	static inline unsigned int s5p_gpio_base(int nr)
	{
	if (cpu_is_exynos5()) {
	if (nr < EXYNOS5_GPIO_PART1_MAX)
	return EXYNOS5_GPIO_PART1_BASE;
	else if (nr < EXYNOS5_GPIO_PART2_MAX)
	return EXYNOS5_GPIO_PART2_BASE;
	else
	return EXYNOS5_GPIO_PART3_BASE;

	} else if (cpu_is_exynos4()) {
	if (nr < EXYNOS4_GPIO_PART1_MAX)
	return EXYNOS4_GPIO_PART1_BASE;
	else
	return EXYNOS4_GPIO_PART2_BASE;
	}

	return 0;
	}

	#endif

	/* Pin configurations */
	#define GPIO_INPUT 0x0
	#define GPIO_OUTPUT 0x1
	#define GPIO_IRQ 0xf
	#define GPIO_FUNC(x) (x)

	/* Pull mode */
	#define GPIO_PULL_NONE 0x0
	#define GPIO_PULL_DOWN 0x1
	#define GPIO_PULL_UP 0x3

	/* Drive Strength level */
	#define GPIO_DRV_1X 0x0
	#define GPIO_DRV_3X 0x1
	#define GPIO_DRV_2X 0x2
	#define GPIO_DRV_4X 0x3
	#define GPIO_DRV_FAST 0x0
	#define GPIO_DRV_SLOW 0x1
	#endif