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/spinlock.h>
  15 #include <linux/types.h>
  16
  17 #include "sh_pfc.h"
  18
  19 struct sh_pfc_window {
  20         phys_addr_t phys;
  21         void __iomem *virt;
  22         unsigned long size;
  23 };
  24
  25 struct sh_pfc_chip;
  26 struct sh_pfc_pinctrl;
  27
  28 struct sh_pfc {
  29         struct device *dev;
  30         const struct sh_pfc_soc_info *info;
  31         void *soc_data;
  32         spinlock_t lock;
  33
  34         unsigned int num_windows;
  35         struct sh_pfc_window *window;
  36
  37         unsigned int nr_pins;
  38
  39         struct sh_pfc_chip *gpio;
  40         struct sh_pfc_chip *func;
  41
  42         struct sh_pfc_pinctrl *pinctrl;
  43 };
  44
  45 int sh_pfc_register_gpiochip(struct sh_pfc *pfc);
  46 int sh_pfc_unregister_gpiochip(struct sh_pfc *pfc);
  47
  48 int sh_pfc_register_pinctrl(struct sh_pfc *pfc);
  49 int sh_pfc_unregister_pinctrl(struct sh_pfc *pfc);
  50
  51 unsigned long sh_pfc_read_raw_reg(void __iomem *mapped_reg,
  52                                   unsigned long reg_width);
  53 void sh_pfc_write_raw_reg(void __iomem *mapped_reg, unsigned long reg_width,
  54                           unsigned long data);
  55
  56 int sh_pfc_get_pin_index(struct sh_pfc *pfc, unsigned int pin);
  57 int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type);
  58
  59 extern const struct sh_pfc_soc_info r8a73a4_pinmux_info;
  60 extern const struct sh_pfc_soc_info r8a7740_pinmux_info;
  61 extern const struct sh_pfc_soc_info r8a7778_pinmux_info;
  62 extern const struct sh_pfc_soc_info r8a7779_pinmux_info;
  63 extern const struct sh_pfc_soc_info r8a7790_pinmux_info;
  64 extern const struct sh_pfc_soc_info sh7203_pinmux_info;
  65 extern const struct sh_pfc_soc_info sh7264_pinmux_info;
  66 extern const struct sh_pfc_soc_info sh7269_pinmux_info;
  67 extern const struct sh_pfc_soc_info sh7372_pinmux_info;
  68 extern const struct sh_pfc_soc_info sh73a0_pinmux_info;
  69 extern const struct sh_pfc_soc_info sh7720_pinmux_info;
  70 extern const struct sh_pfc_soc_info sh7722_pinmux_info;
  71 extern const struct sh_pfc_soc_info sh7723_pinmux_info;
  72 extern const struct sh_pfc_soc_info sh7724_pinmux_info;
  73 extern const struct sh_pfc_soc_info sh7734_pinmux_info;
  74 extern const struct sh_pfc_soc_info sh7757_pinmux_info;
  75 extern const struct sh_pfc_soc_info sh7785_pinmux_info;
  76 extern const struct sh_pfc_soc_info sh7786_pinmux_info;
  77 extern const struct sh_pfc_soc_info shx3_pinmux_info;
  78
  79 #endif /* __SH_PFC_CORE_H__ */