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ae6b4d85 LW |
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 | ||
f07512e6 LM |
17 | #include <linux/pinctrl/machine.h> |
18 | ||
ae6b4d85 | 19 | struct pinctrl_dev; |
63fd5984 | 20 | struct seq_file; |
ae6b4d85 LW |
21 | |
22 | /** | |
23 | * struct pinconf_ops - pin config operations, to be implemented by | |
24 | * pin configuration capable drivers. | |
394349f7 LW |
25 | * @is_generic: for pin controllers that want to use the generic interface, |
26 | * this flag tells the framework that it's generic. | |
ae6b4d85 LW |
27 | * @pin_config_get: get the config of a certain pin, if the requested config |
28 | * is not available on this controller this should return -ENOTSUPP | |
29 | * and if it is available but disabled it should return -EINVAL | |
ae6b4d85 LW |
30 | * @pin_config_set: configure an individual pin |
31 | * @pin_config_group_get: get configurations for an entire pin group | |
32 | * @pin_config_group_set: configure all pins in a group | |
1c851fb1 | 33 | * @pin_config_dbg_parse_modify: optional debugfs to modify a pin configuration |
ae6b4d85 LW |
34 | * @pin_config_dbg_show: optional debugfs display hook that will provide |
35 | * per-device info for a certain pin in debugfs | |
36 | * @pin_config_group_dbg_show: optional debugfs display hook that will provide | |
37 | * per-device info for a certain group in debugfs | |
6cb41587 SW |
38 | * @pin_config_config_dbg_show: optional debugfs display hook that will decode |
39 | * and display a driver's pin configuration parameter | |
ae6b4d85 LW |
40 | */ |
41 | struct pinconf_ops { | |
394349f7 LW |
42 | #ifdef CONFIG_GENERIC_PINCONF |
43 | bool is_generic; | |
44 | #endif | |
ae6b4d85 LW |
45 | int (*pin_config_get) (struct pinctrl_dev *pctldev, |
46 | unsigned pin, | |
47 | unsigned long *config); | |
48 | int (*pin_config_set) (struct pinctrl_dev *pctldev, | |
49 | unsigned pin, | |
03b054e9 SY |
50 | unsigned long *configs, |
51 | unsigned num_configs); | |
ae6b4d85 LW |
52 | int (*pin_config_group_get) (struct pinctrl_dev *pctldev, |
53 | unsigned selector, | |
54 | unsigned long *config); | |
55 | int (*pin_config_group_set) (struct pinctrl_dev *pctldev, | |
56 | unsigned selector, | |
03b054e9 SY |
57 | unsigned long *configs, |
58 | unsigned num_configs); | |
f07512e6 LM |
59 | int (*pin_config_dbg_parse_modify) (struct pinctrl_dev *pctldev, |
60 | const char *arg, | |
61 | unsigned long *config); | |
ae6b4d85 LW |
62 | void (*pin_config_dbg_show) (struct pinctrl_dev *pctldev, |
63 | struct seq_file *s, | |
64 | unsigned offset); | |
65 | void (*pin_config_group_dbg_show) (struct pinctrl_dev *pctldev, | |
66 | struct seq_file *s, | |
67 | unsigned selector); | |
6cb41587 SW |
68 | void (*pin_config_config_dbg_show) (struct pinctrl_dev *pctldev, |
69 | struct seq_file *s, | |
70 | unsigned long config); | |
ae6b4d85 LW |
71 | }; |
72 | ||
ae6b4d85 LW |
73 | #endif |
74 | ||
75 | #endif /* __LINUX_PINCTRL_PINCONF_H */ |