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_pin_range {
  29         u16 start;
  30         u16 end;
  31 };
  32
  33 struct sh_pfc {
  34         struct device *dev;
  35         const struct sh_pfc_soc_info *info;
  36         spinlock_t lock;
  37
  38         unsigned int num_windows;
  39         struct sh_pfc_window *windows;
  40         unsigned int num_irqs;
  41         unsigned int *irqs;
  42
  43         struct sh_pfc_pin_range *ranges;
  44         unsigned int nr_ranges;
  45
  46         unsigned int nr_gpio_pins;
  47
  48         struct sh_pfc_chip *gpio;
  49 #ifdef CONFIG_SUPERH
  50         struct sh_pfc_chip *func;
  51 #endif
  52
  53         struct sh_pfc_pinctrl *pinctrl;
  54 };
  55
  56 int sh_pfc_register_gpiochip(struct sh_pfc *pfc);
  57 int sh_pfc_unregister_gpiochip(struct sh_pfc *pfc);
  58
  59 int sh_pfc_register_pinctrl(struct sh_pfc *pfc);
  60 int sh_pfc_unregister_pinctrl(struct sh_pfc *pfc);
  61
  62 u32 sh_pfc_read_raw_reg(void __iomem *mapped_reg, unsigned int reg_width);
  63 void sh_pfc_write_raw_reg(void __iomem *mapped_reg, unsigned int reg_width,
  64                           u32 data);
  65 u32 sh_pfc_read_reg(struct sh_pfc *pfc, u32 reg, unsigned int width);
  66 void sh_pfc_write_reg(struct sh_pfc *pfc, u32 reg, unsigned int width,
  67                       u32 data);
  68
  69 int sh_pfc_get_pin_index(struct sh_pfc *pfc, unsigned int pin);
  70 int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type);
  71
  72 extern const struct sh_pfc_soc_info emev2_pinmux_info;
  73 extern const struct sh_pfc_soc_info r8a73a4_pinmux_info;
  74 extern const struct sh_pfc_soc_info r8a7740_pinmux_info;
  75 extern const struct sh_pfc_soc_info r8a7778_pinmux_info;
  76 extern const struct sh_pfc_soc_info r8a7779_pinmux_info;
  77 extern const struct sh_pfc_soc_info r8a7790_pinmux_info;
  78 extern const struct sh_pfc_soc_info r8a7791_pinmux_info;
  79 extern const struct sh_pfc_soc_info r8a7793_pinmux_info;
  80 extern const struct sh_pfc_soc_info r8a7794_pinmux_info;
  81 extern const struct sh_pfc_soc_info r8a7795_pinmux_info;
  82 extern const struct sh_pfc_soc_info sh7203_pinmux_info;
  83 extern const struct sh_pfc_soc_info sh7264_pinmux_info;
  84 extern const struct sh_pfc_soc_info sh7269_pinmux_info;
  85 extern const struct sh_pfc_soc_info sh73a0_pinmux_info;
  86 extern const struct sh_pfc_soc_info sh7720_pinmux_info;
  87 extern const struct sh_pfc_soc_info sh7722_pinmux_info;
  88 extern const struct sh_pfc_soc_info sh7723_pinmux_info;
  89 extern const struct sh_pfc_soc_info sh7724_pinmux_info;
  90 extern const struct sh_pfc_soc_info sh7734_pinmux_info;
  91 extern const struct sh_pfc_soc_info sh7757_pinmux_info;
  92 extern const struct sh_pfc_soc_info sh7785_pinmux_info;
  93 extern const struct sh_pfc_soc_info sh7786_pinmux_info;
  94 extern const struct sh_pfc_soc_info shx3_pinmux_info;
  95
  96 #endif /* __SH_PFC_CORE_H__ */