1#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
2
3#include <linux/device.h>
4#include <linux/pci.h>
5
6#include "ath5k.h"
7#include "reg.h"
8
9#define SIMPLE_SHOW_STORE(name, get, set)				\
10static ssize_t ath5k_attr_show_##name(struct device *dev,		\
11			struct device_attribute *attr,			\
12			char *buf)					\
13{									\
14	struct ieee80211_hw *hw = dev_get_drvdata(dev);			\
15	struct ath5k_hw *ah = hw->priv;				\
16	return snprintf(buf, PAGE_SIZE, "%d\n", get);			\
17}									\
18									\
19static ssize_t ath5k_attr_store_##name(struct device *dev,		\
20			struct device_attribute *attr,			\
21			const char *buf, size_t count)			\
22{									\
23	struct ieee80211_hw *hw = dev_get_drvdata(dev);			\
24	struct ath5k_hw *ah = hw->priv;				\
25	int val, ret;							\
26									\
27	ret = kstrtoint(buf, 10, &val);					\
28	if (ret < 0)							\
29		return ret;						\
30	set(ah, val);						\
31	return count;							\
32}									\
33static DEVICE_ATTR(name, S_IRUGO | S_IWUSR,				\
34		   ath5k_attr_show_##name, ath5k_attr_store_##name)
35
36#define SIMPLE_SHOW(name, get)						\
37static ssize_t ath5k_attr_show_##name(struct device *dev,		\
38			struct device_attribute *attr,			\
39			char *buf)					\
40{									\
41	struct ieee80211_hw *hw = dev_get_drvdata(dev);			\
42	struct ath5k_hw *ah = hw->priv;				\
43	return snprintf(buf, PAGE_SIZE, "%d\n", get);			\
44}									\
45static DEVICE_ATTR(name, S_IRUGO, ath5k_attr_show_##name, NULL)
46
47/*** ANI ***/
48
49SIMPLE_SHOW_STORE(ani_mode, ah->ani_state.ani_mode, ath5k_ani_init);
50SIMPLE_SHOW_STORE(noise_immunity_level, ah->ani_state.noise_imm_level,
51			ath5k_ani_set_noise_immunity_level);
52SIMPLE_SHOW_STORE(spur_level, ah->ani_state.spur_level,
53			ath5k_ani_set_spur_immunity_level);
54SIMPLE_SHOW_STORE(firstep_level, ah->ani_state.firstep_level,
55			ath5k_ani_set_firstep_level);
56SIMPLE_SHOW_STORE(ofdm_weak_signal_detection, ah->ani_state.ofdm_weak_sig,
57			ath5k_ani_set_ofdm_weak_signal_detection);
58SIMPLE_SHOW_STORE(cck_weak_signal_detection, ah->ani_state.cck_weak_sig,
59			ath5k_ani_set_cck_weak_signal_detection);
60SIMPLE_SHOW(spur_level_max, ah->ani_state.max_spur_level);
61
62static ssize_t ath5k_attr_show_noise_immunity_level_max(struct device *dev,
63			struct device_attribute *attr,
64			char *buf)
65{
66	return snprintf(buf, PAGE_SIZE, "%d\n", ATH5K_ANI_MAX_NOISE_IMM_LVL);
67}
68static DEVICE_ATTR(noise_immunity_level_max, S_IRUGO,
69		   ath5k_attr_show_noise_immunity_level_max, NULL);
70
71static ssize_t ath5k_attr_show_firstep_level_max(struct device *dev,
72			struct device_attribute *attr,
73			char *buf)
74{
75	return snprintf(buf, PAGE_SIZE, "%d\n", ATH5K_ANI_MAX_FIRSTEP_LVL);
76}
77static DEVICE_ATTR(firstep_level_max, S_IRUGO,
78		   ath5k_attr_show_firstep_level_max, NULL);
79
80static struct attribute *ath5k_sysfs_entries_ani[] = {
81	&dev_attr_ani_mode.attr,
82	&dev_attr_noise_immunity_level.attr,
83	&dev_attr_spur_level.attr,
84	&dev_attr_firstep_level.attr,
85	&dev_attr_ofdm_weak_signal_detection.attr,
86	&dev_attr_cck_weak_signal_detection.attr,
87	&dev_attr_noise_immunity_level_max.attr,
88	&dev_attr_spur_level_max.attr,
89	&dev_attr_firstep_level_max.attr,
90	NULL
91};
92
93static struct attribute_group ath5k_attribute_group_ani = {
94	.name = "ani",
95	.attrs = ath5k_sysfs_entries_ani,
96};
97
98
99/*** register / unregister ***/
100
101int
102ath5k_sysfs_register(struct ath5k_hw *ah)
103{
104	struct device *dev = ah->dev;
105	int err;
106
107	err = sysfs_create_group(&dev->kobj, &ath5k_attribute_group_ani);
108	if (err) {
109		ATH5K_ERR(ah, "failed to create sysfs group\n");
110		return err;
111	}
112
113	return 0;
114}
115
116void
117ath5k_sysfs_unregister(struct ath5k_hw *ah)
118{
119	struct device *dev = ah->dev;
120
121	sysfs_remove_group(&dev->kobj, &ath5k_attribute_group_ani);
122}
123