drivers/pinctrl/sh-pfc/core.h

   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/compiler.h>
  14 #include <linux/sh_pfc.h>
  15 #include <linux/types.h>
  16
  17 struct sh_pfc_window {
  18         phys_addr_t phys;
  19         void __iomem *virt;
  20         unsigned long size;
  21 };
  22
  23 struct sh_pfc_chip;
  24 struct sh_pfc_pinctrl;
  25
  26 struct sh_pfc {
  27         struct device *dev;
  28         struct sh_pfc_soc_info *info;
  29         spinlock_t lock;
  30
  31         unsigned int num_windows;
  32         struct sh_pfc_window *window;
  33
  34         struct sh_pfc_chip *gpio;
  35         struct sh_pfc_pinctrl *pinctrl;
  36 };
  37
  38 int sh_pfc_register_gpiochip(struct sh_pfc *pfc);
  39 int sh_pfc_unregister_gpiochip(struct sh_pfc *pfc);
  40
  41 int sh_pfc_register_pinctrl(struct sh_pfc *pfc);
  42 int sh_pfc_unregister_pinctrl(struct sh_pfc *pfc);
  43
  44 int sh_pfc_read_bit(struct pinmux_data_reg *dr, unsigned long in_pos);
  45 void sh_pfc_write_bit(struct pinmux_data_reg *dr, unsigned long in_pos,
  46                       unsigned long value);
  47 int sh_pfc_get_data_reg(struct sh_pfc *pfc, unsigned gpio,
  48                         struct pinmux_data_reg **drp, int *bitp);
  49 int sh_pfc_gpio_to_enum(struct sh_pfc *pfc, unsigned gpio, int pos,
  50                         pinmux_enum_t *enum_idp);
  51 int sh_pfc_config_gpio(struct sh_pfc *pfc, unsigned gpio, int pinmux_type,
  52                        int cfg_mode);
  53
  54 extern struct sh_pfc_soc_info r8a7740_pinmux_info;
  55
  56 #endif /* __SH_PFC_CORE_H__ */