cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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pinconf.h (3407B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Internal interface between the core pin control system and the
      4 * pin config portions
      5 *
      6 * Copyright (C) 2011 ST-Ericsson SA
      7 * Written on behalf of Linaro for ST-Ericsson
      8 * Based on bits of regulator core, gpio core and clk core
      9 *
     10 * Author: Linus Walleij <linus.walleij@linaro.org>
     11 */
     12
     13#ifdef CONFIG_PINCONF
     14
     15int pinconf_check_ops(struct pinctrl_dev *pctldev);
     16int pinconf_validate_map(const struct pinctrl_map *map, int i);
     17int pinconf_map_to_setting(const struct pinctrl_map *map,
     18			  struct pinctrl_setting *setting);
     19void pinconf_free_setting(const struct pinctrl_setting *setting);
     20int pinconf_apply_setting(const struct pinctrl_setting *setting);
     21
     22int pinconf_set_config(struct pinctrl_dev *pctldev, unsigned pin,
     23		       unsigned long *configs, size_t nconfigs);
     24
     25/*
     26 * You will only be interested in these if you're using PINCONF
     27 * so don't supply any stubs for these.
     28 */
     29int pin_config_get_for_pin(struct pinctrl_dev *pctldev, unsigned pin,
     30			   unsigned long *config);
     31int pin_config_group_get(const char *dev_name, const char *pin_group,
     32			 unsigned long *config);
     33
     34#else
     35
     36static inline int pinconf_check_ops(struct pinctrl_dev *pctldev)
     37{
     38	return 0;
     39}
     40
     41static inline int pinconf_validate_map(const struct pinctrl_map *map, int i)
     42{
     43	return 0;
     44}
     45
     46static inline int pinconf_map_to_setting(const struct pinctrl_map *map,
     47			  struct pinctrl_setting *setting)
     48{
     49	return 0;
     50}
     51
     52static inline void pinconf_free_setting(const struct pinctrl_setting *setting)
     53{
     54}
     55
     56static inline int pinconf_apply_setting(const struct pinctrl_setting *setting)
     57{
     58	return 0;
     59}
     60
     61static inline int pinconf_set_config(struct pinctrl_dev *pctldev, unsigned pin,
     62				     unsigned long *configs, size_t nconfigs)
     63{
     64	return -ENOTSUPP;
     65}
     66
     67#endif
     68
     69#if defined(CONFIG_PINCONF) && defined(CONFIG_DEBUG_FS)
     70
     71void pinconf_show_map(struct seq_file *s, const struct pinctrl_map *map);
     72void pinconf_show_setting(struct seq_file *s,
     73			  const struct pinctrl_setting *setting);
     74void pinconf_init_device_debugfs(struct dentry *devroot,
     75				 struct pinctrl_dev *pctldev);
     76
     77#else
     78
     79static inline void pinconf_show_map(struct seq_file *s,
     80				    const struct pinctrl_map *map)
     81{
     82}
     83
     84static inline void pinconf_show_setting(struct seq_file *s,
     85					const struct pinctrl_setting *setting)
     86{
     87}
     88
     89static inline void pinconf_init_device_debugfs(struct dentry *devroot,
     90					       struct pinctrl_dev *pctldev)
     91{
     92}
     93
     94#endif
     95
     96/*
     97 * The following functions are available if the driver uses the generic
     98 * pin config.
     99 */
    100
    101#if defined(CONFIG_GENERIC_PINCONF) && defined(CONFIG_DEBUG_FS)
    102
    103void pinconf_generic_dump_pins(struct pinctrl_dev *pctldev,
    104			       struct seq_file *s, const char *gname,
    105			       unsigned pin);
    106
    107void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
    108				 struct seq_file *s, unsigned long config);
    109#else
    110
    111static inline void pinconf_generic_dump_pins(struct pinctrl_dev *pctldev,
    112					     struct seq_file *s,
    113					     const char *gname, unsigned pin)
    114{
    115	return;
    116}
    117
    118static inline void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
    119					       struct seq_file *s,
    120					       unsigned long config)
    121{
    122	return;
    123}
    124#endif
    125
    126#if defined(CONFIG_GENERIC_PINCONF) && defined(CONFIG_OF)
    127int pinconf_generic_parse_dt_config(struct device_node *np,
    128				    struct pinctrl_dev *pctldev,
    129				    unsigned long **configs,
    130				    unsigned int *nconfigs);
    131#endif