LXR linux/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
  19struct sh_pfc_window {
  20        phys_addr_t phys;
  21        void __iomem *virt;
  22        unsigned long size;
  23};
  24
  25struct sh_pfc_chip;
  26struct sh_pfc_pinctrl;
  27
  28struct sh_pfc_pin_range {
  29        u16 start;
  30        u16 end;
  31};
  32
  33struct sh_pfc {
  34        struct device *dev;
  35        const struct sh_pfc_soc_info *info;
  36        void *soc_data;
  37        spinlock_t lock;
  38
  39        unsigned int num_windows;
  40        struct sh_pfc_window *window;
  41
  42        struct sh_pfc_pin_range *ranges;
  43        unsigned int nr_ranges;
  44
  45        unsigned int nr_gpio_pins;
  46
  47        struct sh_pfc_chip *gpio;
  48        struct sh_pfc_chip *func;
  49
  50        struct sh_pfc_pinctrl *pinctrl;
  51};
  52
  53int sh_pfc_register_gpiochip(struct sh_pfc *pfc);
  54int sh_pfc_unregister_gpiochip(struct sh_pfc *pfc);
  55
  56int sh_pfc_register_pinctrl(struct sh_pfc *pfc);
  57int sh_pfc_unregister_pinctrl(struct sh_pfc *pfc);
  58
  59unsigned long sh_pfc_read_raw_reg(void __iomem *mapped_reg,
  60                                  unsigned long reg_width);
  61void sh_pfc_write_raw_reg(void __iomem *mapped_reg, unsigned long reg_width,
  62                          unsigned long data);
  63
  64int sh_pfc_get_pin_index(struct sh_pfc *pfc, unsigned int pin);
  65int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type);
  66
  67extern const struct sh_pfc_soc_info r8a73a4_pinmux_info;
  68extern const struct sh_pfc_soc_info r8a7740_pinmux_info;
  69extern const struct sh_pfc_soc_info r8a7778_pinmux_info;
  70extern const struct sh_pfc_soc_info r8a7779_pinmux_info;
  71extern const struct sh_pfc_soc_info r8a7790_pinmux_info;
  72extern const struct sh_pfc_soc_info r8a7791_pinmux_info;
  73extern const struct sh_pfc_soc_info sh7203_pinmux_info;
  74extern const struct sh_pfc_soc_info sh7264_pinmux_info;
  75extern const struct sh_pfc_soc_info sh7269_pinmux_info;
  76extern const struct sh_pfc_soc_info sh7372_pinmux_info;
  77extern const struct sh_pfc_soc_info sh73a0_pinmux_info;
  78extern const struct sh_pfc_soc_info sh7720_pinmux_info;
  79extern const struct sh_pfc_soc_info sh7722_pinmux_info;
  80extern const struct sh_pfc_soc_info sh7723_pinmux_info;
  81extern const struct sh_pfc_soc_info sh7724_pinmux_info;
  82extern const struct sh_pfc_soc_info sh7734_pinmux_info;
  83extern const struct sh_pfc_soc_info sh7757_pinmux_info;
  84extern const struct sh_pfc_soc_info sh7785_pinmux_info;
  85extern const struct sh_pfc_soc_info sh7786_pinmux_info;
  86extern const struct sh_pfc_soc_info shx3_pinmux_info;
  87
  88#endif /* __SH_PFC_CORE_H__ */
  89