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