Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[linux-2.6.git] / drivers / net / wireless / ath / ath5k / sysfs.c
1 #include <linux/device.h>
2 #include <linux/pci.h>
3
4 #include "base.h"
5 #include "ath5k.h"
6 #include "reg.h"
7
8 #define SIMPLE_SHOW_STORE(name, get, set)                               \
9 static ssize_t ath5k_attr_show_##name(struct device *dev,               \
10                         struct device_attribute *attr,                  \
11                         char *buf)                                      \
12 {                                                                       \
13         struct ieee80211_hw *hw = dev_get_drvdata(dev);                 \
14         struct ath5k_softc *sc = hw->priv;                              \
15         return snprintf(buf, PAGE_SIZE, "%d\n", get);                   \
16 }                                                                       \
17                                                                         \
18 static ssize_t ath5k_attr_store_##name(struct device *dev,              \
19                         struct device_attribute *attr,                  \
20                         const char *buf, size_t count)                  \
21 {                                                                       \
22         struct ieee80211_hw *hw = dev_get_drvdata(dev);                 \
23         struct ath5k_softc *sc = hw->priv;                              \
24         int val, ret;                                                   \
25                                                                         \
26         ret = kstrtoint(buf, 10, &val);                                 \
27         if (ret < 0)                                                    \
28                 return ret;                                             \
29         set(sc->ah, val);                                               \
30         return count;                                                   \
31 }                                                                       \
32 static DEVICE_ATTR(name, S_IRUGO | S_IWUSR,                             \
33                    ath5k_attr_show_##name, ath5k_attr_store_##name)
34
35 #define SIMPLE_SHOW(name, get)                                          \
36 static ssize_t ath5k_attr_show_##name(struct device *dev,               \
37                         struct device_attribute *attr,                  \
38                         char *buf)                                      \
39 {                                                                       \
40         struct ieee80211_hw *hw = dev_get_drvdata(dev);                 \
41         struct ath5k_softc *sc = hw->priv;                              \
42         return snprintf(buf, PAGE_SIZE, "%d\n", get);                   \
43 }                                                                       \
44 static DEVICE_ATTR(name, S_IRUGO, ath5k_attr_show_##name, NULL)
45
46 /*** ANI ***/
47
48 SIMPLE_SHOW_STORE(ani_mode, sc->ani_state.ani_mode, ath5k_ani_init);
49 SIMPLE_SHOW_STORE(noise_immunity_level, sc->ani_state.noise_imm_level,
50                         ath5k_ani_set_noise_immunity_level);
51 SIMPLE_SHOW_STORE(spur_level, sc->ani_state.spur_level,
52                         ath5k_ani_set_spur_immunity_level);
53 SIMPLE_SHOW_STORE(firstep_level, sc->ani_state.firstep_level,
54                         ath5k_ani_set_firstep_level);
55 SIMPLE_SHOW_STORE(ofdm_weak_signal_detection, sc->ani_state.ofdm_weak_sig,
56                         ath5k_ani_set_ofdm_weak_signal_detection);
57 SIMPLE_SHOW_STORE(cck_weak_signal_detection, sc->ani_state.cck_weak_sig,
58                         ath5k_ani_set_cck_weak_signal_detection);
59 SIMPLE_SHOW(spur_level_max, sc->ani_state.max_spur_level);
60
61 static ssize_t ath5k_attr_show_noise_immunity_level_max(struct device *dev,
62                         struct device_attribute *attr,
63                         char *buf)
64 {
65         return snprintf(buf, PAGE_SIZE, "%d\n", ATH5K_ANI_MAX_NOISE_IMM_LVL);
66 }
67 static DEVICE_ATTR(noise_immunity_level_max, S_IRUGO,
68                    ath5k_attr_show_noise_immunity_level_max, NULL);
69
70 static ssize_t ath5k_attr_show_firstep_level_max(struct device *dev,
71                         struct device_attribute *attr,
72                         char *buf)
73 {
74         return snprintf(buf, PAGE_SIZE, "%d\n", ATH5K_ANI_MAX_FIRSTEP_LVL);
75 }
76 static DEVICE_ATTR(firstep_level_max, S_IRUGO,
77                    ath5k_attr_show_firstep_level_max, NULL);
78
79 static struct attribute *ath5k_sysfs_entries_ani[] = {
80         &dev_attr_ani_mode.attr,
81         &dev_attr_noise_immunity_level.attr,
82         &dev_attr_spur_level.attr,
83         &dev_attr_firstep_level.attr,
84         &dev_attr_ofdm_weak_signal_detection.attr,
85         &dev_attr_cck_weak_signal_detection.attr,
86         &dev_attr_noise_immunity_level_max.attr,
87         &dev_attr_spur_level_max.attr,
88         &dev_attr_firstep_level_max.attr,
89         NULL
90 };
91
92 static struct attribute_group ath5k_attribute_group_ani = {
93         .name = "ani",
94         .attrs = ath5k_sysfs_entries_ani,
95 };
96
97
98 /*** register / unregister ***/
99
100 int
101 ath5k_sysfs_register(struct ath5k_softc *sc)
102 {
103         struct device *dev = sc->dev;
104         int err;
105
106         err = sysfs_create_group(&dev->kobj, &ath5k_attribute_group_ani);
107         if (err) {
108                 ATH5K_ERR(sc, "failed to create sysfs group\n");
109                 return err;
110         }
111
112         return 0;
113 }
114
115 void
116 ath5k_sysfs_unregister(struct ath5k_softc *sc)
117 {
118         struct device *dev = sc->dev;
119
120         sysfs_remove_group(&dev->kobj, &ath5k_attribute_group_ani);
121 }