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/* include/linux/sm501.h
 *
 * Copyright (c) 2006 Simtec Electronics
 *	Ben Dooks <ben@simtec.co.uk>
 *	Vincent Sanders <vince@simtec.co.uk>
 *
 * 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
 *
 * 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
*/

extern int sm501_unit_power(struct device *dev,
			    unsigned int unit, unsigned int to);

extern unsigned long sm501_set_clock(struct device *dev,
				     int clksrc, unsigned long freq);

extern unsigned long sm501_find_clock(int clksrc, unsigned long req_freq);

/* sm501_misc_control
 *
 * Modify the SM501's MISC_CONTROL register
*/

extern int sm501_misc_control(struct device *dev,
			      unsigned long set, unsigned long clear);

/* sm501_modify_reg
 *
 * Modify a register in the SM501 which may be shared with other
 * drivers.
*/

extern unsigned long sm501_modify_reg(struct device *dev,
				      unsigned long reg,
				      unsigned long set,
				      unsigned long clear);

/* sm501_gpio_set
 *
 * set the state of the given GPIO line
*/

extern void sm501_gpio_set(struct device *dev,
			   unsigned long gpio,
			   unsigned int to,
			   unsigned int dir);

/* sm501_gpio_get
 *
 * get the state of the given GPIO line
*/

extern unsigned long sm501_gpio_get(struct device *dev,
				    unsigned long gpio);


/* Platform data definitions */

#define SM501FB_FLAG_USE_INIT_MODE	(1<<0)
#define SM501FB_FLAG_DISABLE_AT_EXIT	(1<<1)
#define SM501FB_FLAG_USE_HWCURSOR	(1<<2)
#define SM501FB_FLAG_USE_HWACCEL	(1<<3)