1 /*
2  * SuperH Pin Function Controller support.
3  *
4  * Copyright (C) 2012  Renesas Solutions Corp.
5  *
6  * This file is subject to the terms and conditions of the GNU General Public
7  * License.  See the file "COPYING" in the main directory of this archive
8  * for more details.
9  */
10 #ifndef __SH_PFC_CORE_H__
11 #define __SH_PFC_CORE_H__
12 
13 #include <linux/types.h>
14 
15 #include "sh_pfc.h"
16 
17 struct sh_pfc_pin_range {
18 	u16 start;
19 	u16 end;
20 };
21 
22 int sh_pfc_register_gpiochip(struct sh_pfc *pfc);
23 
24 int sh_pfc_register_pinctrl(struct sh_pfc *pfc);
25 
26 u32 sh_pfc_read_raw_reg(void __iomem *mapped_reg, unsigned int reg_width);
27 void sh_pfc_write_raw_reg(void __iomem *mapped_reg, unsigned int reg_width,
28 			  u32 data);
29 u32 sh_pfc_read(struct sh_pfc *pfc, u32 reg);
30 void sh_pfc_write(struct sh_pfc *pfc, u32 reg, u32 data);
31 
32 int sh_pfc_get_pin_index(struct sh_pfc *pfc, unsigned int pin);
33 int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type);
34 
35 const struct pinmux_bias_reg *
36 sh_pfc_pin_to_bias_reg(const struct sh_pfc *pfc, unsigned int pin,
37 		       unsigned int *bit);
38 
39 #endif /* __SH_PFC_CORE_H__ */
40