| Linus Walleij | ae6b4d8 | 2011-10-19 18:14:33 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Interface the pinconfig portions of the pinctrl subsystem |
| 3 | * |
| 4 | * Copyright (C) 2011 ST-Ericsson SA |
| 5 | * Written on behalf of Linaro for ST-Ericsson |
| 6 | * This interface is used in the core to keep track of pins. |
| 7 | * |
| 8 | * Author: Linus Walleij <linus.walleij@linaro.org> |
| 9 | * |
| 10 | * License terms: GNU General Public License (GPL) version 2 |
| 11 | */ |
| 12 | #ifndef __LINUX_PINCTRL_PINCONF_H |
| 13 | #define __LINUX_PINCTRL_PINCONF_H |
| 14 | |
| 15 | #ifdef CONFIG_PINCONF |
| 16 | |
| 17 | struct pinctrl_dev; |
| Stephen Warren | 63fd598 | 2011-12-15 16:57:16 -0700 | [diff] [blame] | 18 | struct seq_file; |
| Linus Walleij | ae6b4d8 | 2011-10-19 18:14:33 +0200 | [diff] [blame] | 19 | |
| 20 | /** |
| 21 | * struct pinconf_ops - pin config operations, to be implemented by |
| 22 | * pin configuration capable drivers. |
| Linus Walleij | 394349f | 2011-11-24 18:27:15 +0100 | [diff] [blame] | 23 | * @is_generic: for pin controllers that want to use the generic interface, |
| 24 | * this flag tells the framework that it's generic. |
| Linus Walleij | ae6b4d8 | 2011-10-19 18:14:33 +0200 | [diff] [blame] | 25 | * @pin_config_get: get the config of a certain pin, if the requested config |
| 26 | * is not available on this controller this should return -ENOTSUPP |
| 27 | * and if it is available but disabled it should return -EINVAL |
| 28 | * @pin_config_get: get the config of a certain pin |
| 29 | * @pin_config_set: configure an individual pin |
| 30 | * @pin_config_group_get: get configurations for an entire pin group |
| 31 | * @pin_config_group_set: configure all pins in a group |
| 32 | * @pin_config_dbg_show: optional debugfs display hook that will provide |
| 33 | * per-device info for a certain pin in debugfs |
| 34 | * @pin_config_group_dbg_show: optional debugfs display hook that will provide |
| 35 | * per-device info for a certain group in debugfs |
| Stephen Warren | 6cb4158 | 2012-04-13 10:49:06 -0600 | [diff] [blame^] | 36 | * @pin_config_config_dbg_show: optional debugfs display hook that will decode |
| 37 | * and display a driver's pin configuration parameter |
| Linus Walleij | ae6b4d8 | 2011-10-19 18:14:33 +0200 | [diff] [blame] | 38 | */ |
| 39 | struct pinconf_ops { |
| Linus Walleij | 394349f | 2011-11-24 18:27:15 +0100 | [diff] [blame] | 40 | #ifdef CONFIG_GENERIC_PINCONF |
| 41 | bool is_generic; |
| 42 | #endif |
| Linus Walleij | ae6b4d8 | 2011-10-19 18:14:33 +0200 | [diff] [blame] | 43 | int (*pin_config_get) (struct pinctrl_dev *pctldev, |
| 44 | unsigned pin, |
| 45 | unsigned long *config); |
| 46 | int (*pin_config_set) (struct pinctrl_dev *pctldev, |
| 47 | unsigned pin, |
| 48 | unsigned long config); |
| 49 | int (*pin_config_group_get) (struct pinctrl_dev *pctldev, |
| 50 | unsigned selector, |
| 51 | unsigned long *config); |
| 52 | int (*pin_config_group_set) (struct pinctrl_dev *pctldev, |
| 53 | unsigned selector, |
| 54 | unsigned long config); |
| 55 | void (*pin_config_dbg_show) (struct pinctrl_dev *pctldev, |
| 56 | struct seq_file *s, |
| 57 | unsigned offset); |
| 58 | void (*pin_config_group_dbg_show) (struct pinctrl_dev *pctldev, |
| 59 | struct seq_file *s, |
| 60 | unsigned selector); |
| Stephen Warren | 6cb4158 | 2012-04-13 10:49:06 -0600 | [diff] [blame^] | 61 | void (*pin_config_config_dbg_show) (struct pinctrl_dev *pctldev, |
| 62 | struct seq_file *s, |
| 63 | unsigned long config); |
| Linus Walleij | ae6b4d8 | 2011-10-19 18:14:33 +0200 | [diff] [blame] | 64 | }; |
| 65 | |
| Linus Walleij | ae6b4d8 | 2011-10-19 18:14:33 +0200 | [diff] [blame] | 66 | #endif |
| 67 | |
| 68 | #endif /* __LINUX_PINCTRL_PINCONF_H */ |