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1// SPDX-License-Identifier: GPL-2.0
2#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
3
4#include <linux/device.h>
5#include <linux/pci.h>
6
7#include "ath5k.h"
8#include "reg.h"
9
10#define SIMPLE_SHOW_STORE(name, get, set) \
11static ssize_t ath5k_attr_show_##name(struct device *dev, \
12 struct device_attribute *attr, \
13 char *buf) \
14{ \
15 struct ieee80211_hw *hw = dev_get_drvdata(dev); \
16 struct ath5k_hw *ah = hw->priv; \
17 return sysfs_emit(buf, "%d\n", get); \
18} \
19 \
20static ssize_t ath5k_attr_store_##name(struct device *dev, \
21 struct device_attribute *attr, \
22 const char *buf, size_t count) \
23{ \
24 struct ieee80211_hw *hw = dev_get_drvdata(dev); \
25 struct ath5k_hw *ah = hw->priv; \
26 int val, ret; \
27 \
28 ret = kstrtoint(buf, 10, &val); \
29 if (ret < 0) \
30 return ret; \
31 set(ah, val); \
32 return count; \
33} \
34static DEVICE_ATTR(name, 0644, \
35 ath5k_attr_show_##name, ath5k_attr_store_##name)
36
37#define SIMPLE_SHOW(name, get) \
38static ssize_t ath5k_attr_show_##name(struct device *dev, \
39 struct device_attribute *attr, \
40 char *buf) \
41{ \
42 struct ieee80211_hw *hw = dev_get_drvdata(dev); \
43 struct ath5k_hw *ah = hw->priv; \
44 return sysfs_emit(buf, "%d\n", get); \
45} \
46static DEVICE_ATTR(name, 0444, ath5k_attr_show_##name, NULL)
47
48/*** ANI ***/
49
50SIMPLE_SHOW_STORE(ani_mode, ah->ani_state.ani_mode, ath5k_ani_init);
51SIMPLE_SHOW_STORE(noise_immunity_level, ah->ani_state.noise_imm_level,
52 ath5k_ani_set_noise_immunity_level);
53SIMPLE_SHOW_STORE(spur_level, ah->ani_state.spur_level,
54 ath5k_ani_set_spur_immunity_level);
55SIMPLE_SHOW_STORE(firstep_level, ah->ani_state.firstep_level,
56 ath5k_ani_set_firstep_level);
57SIMPLE_SHOW_STORE(ofdm_weak_signal_detection, ah->ani_state.ofdm_weak_sig,
58 ath5k_ani_set_ofdm_weak_signal_detection);
59SIMPLE_SHOW_STORE(cck_weak_signal_detection, ah->ani_state.cck_weak_sig,
60 ath5k_ani_set_cck_weak_signal_detection);
61SIMPLE_SHOW(spur_level_max, ah->ani_state.max_spur_level);
62
63static ssize_t ath5k_attr_show_noise_immunity_level_max(struct device *dev,
64 struct device_attribute *attr,
65 char *buf)
66{
67 return sysfs_emit(buf, "%d\n", ATH5K_ANI_MAX_NOISE_IMM_LVL);
68}
69static DEVICE_ATTR(noise_immunity_level_max, 0444,
70 ath5k_attr_show_noise_immunity_level_max, NULL);
71
72static ssize_t ath5k_attr_show_firstep_level_max(struct device *dev,
73 struct device_attribute *attr,
74 char *buf)
75{
76 return sysfs_emit(buf, "%d\n", ATH5K_ANI_MAX_FIRSTEP_LVL);
77}
78static DEVICE_ATTR(firstep_level_max, 0444,
79 ath5k_attr_show_firstep_level_max, NULL);
80
81static struct attribute *ath5k_sysfs_entries_ani[] = {
82 &dev_attr_ani_mode.attr,
83 &dev_attr_noise_immunity_level.attr,
84 &dev_attr_spur_level.attr,
85 &dev_attr_firstep_level.attr,
86 &dev_attr_ofdm_weak_signal_detection.attr,
87 &dev_attr_cck_weak_signal_detection.attr,
88 &dev_attr_noise_immunity_level_max.attr,
89 &dev_attr_spur_level_max.attr,
90 &dev_attr_firstep_level_max.attr,
91 NULL
92};
93
94static struct attribute_group ath5k_attribute_group_ani = {
95 .name = "ani",
96 .attrs = ath5k_sysfs_entries_ani,
97};
98
99
100/*** register / unregister ***/
101
102int
103ath5k_sysfs_register(struct ath5k_hw *ah)
104{
105 struct device *dev = ah->dev;
106 int err;
107
108 err = sysfs_create_group(&dev->kobj, &ath5k_attribute_group_ani);
109 if (err) {
110 ATH5K_ERR(ah, "failed to create sysfs group\n");
111 return err;
112 }
113
114 return 0;
115}
116
117void
118ath5k_sysfs_unregister(struct ath5k_hw *ah)
119{
120 struct device *dev = ah->dev;
121
122 sysfs_remove_group(&dev->kobj, &ath5k_attribute_group_ani);
123}
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}