/*
 * arch/arm/plat-omap/include/mach/mux.h
 *
 * Table of the Omap register configurations for the FUNC_MUX and
 * PULL_DWN combinations.
 *
 * Copyright (C) 2004 - 2008 Texas Instruments Inc.
 * Copyright (C) 2003 - 2008 Nokia Corporation
 *
 * Written by Tony Lindgren
 *
 * 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
 *
 * NOTE: Please use the following naming style for new pin entries.
 *	 For example, W8_1610_MMC2_DAT0, where:
 *	 - W8	     = ball
 *	 - 1610	     = 1510 or 1610, none if common for both 1510 and 1610
 *	 - MMC2_DAT0 = function
 */

#ifndef __ASM_ARCH_MUX_H
#define __ASM_ARCH_MUX_H

#define PU_PD_SEL_NA		0	/* No pu_pd reg available */
#define PULL_DWN_CTRL_NA	0	/* No pull-down control needed */

#ifdef	CONFIG_OMAP_MUX_DEBUG
#define MUX_REG(reg, mode_offset, mode) .mux_reg_name = "FUNC_MUX_CTRL_"#reg, \
					.mux_reg = FUNC_MUX_CTRL_##reg, \
					.mask_offset = mode_offset, \
					.mask = mode,

#define PULL_REG(reg, bit, status)	.pull_name = "PULL_DWN_CTRL_"#reg, \
					.pull_reg = PULL_DWN_CTRL_##reg, \
					.pull_bit = bit, \
					.pull_val = status,

#define PU_PD_REG(reg, status)		.pu_pd_name = "PU_PD_SEL_"#reg, \
					.pu_pd_reg = PU_PD_SEL_##reg, \
					.pu_pd_val = status,

#define MUX_REG_7XX(reg, mode_offset, mode) .mux_reg_name = "OMAP7XX_IO_CONF_"#reg, \
					.mux_reg = OMAP7XX_IO_CONF_##reg, \
					.mask_offset = mode_offset, \
					.mask = mode,

#define PULL_REG_7XX(reg, bit, status)	.pull_name = "OMAP7XX_IO_CONF_"#reg, \
					.pull_reg = OMAP7XX_IO_CONF_##reg, \
					.pull_bit = bit, \
					.pull_val = status,

#else

#define MUX_REG(reg, mode_offset, mode) .mux_reg = FUNC_MUX_CTRL_##reg, \
					.mask_offset = mode_offset, \
					.mask = mode,

#define PULL_REG(reg, bit, status)	.pull_reg = PULL_DWN_CTRL_##reg, \
					.pull_bit = bit, \
					.pull_val = status,

#define PU_PD_REG(reg, status)		.pu_pd_reg = PU_PD_SEL_##reg, \
					.pu_pd_val = status,

#define MUX_REG_7XX(reg, mode_offset, mode) \
					.mux_reg = OMAP7XX_IO_CONF_##reg, \
					.mask_offset = mode_offset, \
					.mask = mode,

#define PULL_REG_7XX(reg, bit, status)	.pull_reg = OMAP7XX_IO_CONF_##reg, \
					.pull_bit = bit, \
					.pull_val = status,

#endif /* CONFIG_OMAP_MUX_DEBUG */

#define MUX_CFG(desc, mux_reg, mode_offset, mode,	\
		pull_reg, pull_bit, pull_status,	\
		pu_pd_reg, pu_pd_status, debug_status)	\
{							\
	.name =	 desc,					\
	.debug = debug_status,				\
	MUX_REG(mux_reg, mode_offset, mode)		\
	PULL_REG(pull_reg, pull_bit, pull_status)	\
	PU_PD_REG(pu_pd_reg, pu_pd_status)		\
},


/*
 * OMAP730/850 has a slightly different config for the pin mux.
 * - config regs are the OMAP7XX_IO_CONF_x regs (see omap7xx.h) regs and
 *   not the FUNC_MUX_CTRL_x regs from hardware.h
 * - for pull-up/down, only has one enable bit which is is in the same register
 *   as mux config
 */
#define MUX_CFG_7XX(desc, mux_reg, mode_offset, mode,	\
		   pull_bit, pull_status, debug_status)\
{							\
	.name =	 desc,					\
	.debug = debug_status,				\
	MUX_REG_7XX(mux_reg, mode_offset, mode)		\
	PULL_REG_7XX(mux_reg, pull_bit, pull_status)	\
	PU_PD_REG(NA, 0)		\
},

struct pin_config {
	char 			*name;
	const unsigned int 	mux_reg;
	unsigned char		debug;

	const unsigned char mask_offset;
	const unsigned char mask;

	const char *pull_name;
	const unsigned int pull_reg;
	const unsigned char pull_val;
	const unsigned char pull_bit;

	const char *pu_pd_name;
	const unsigned int pu_pd_reg;
	const unsigned char pu_pd_val;

#if	defined(CONFIG_OMAP_MUX_DEBUG) || defined(CONFIG_OMAP_MUX_WARNINGS)
	const char *mux_reg_name;
#endif

};

enum omap7xx_index {
	/* OMAP 730 keyboard */
	E2_7XX_KBR0,
	J7_7XX_KBR1,