1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
3*4882a593Smuzhiyun
4*4882a593Smuzhiyun #include <linux/device.h>
5*4882a593Smuzhiyun #include <linux/pci.h>
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include "ath5k.h"
8*4882a593Smuzhiyun #include "reg.h"
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #define SIMPLE_SHOW_STORE(name, get, set) \
11*4882a593Smuzhiyun static ssize_t ath5k_attr_show_##name(struct device *dev, \
12*4882a593Smuzhiyun struct device_attribute *attr, \
13*4882a593Smuzhiyun char *buf) \
14*4882a593Smuzhiyun { \
15*4882a593Smuzhiyun struct ieee80211_hw *hw = dev_get_drvdata(dev); \
16*4882a593Smuzhiyun struct ath5k_hw *ah = hw->priv; \
17*4882a593Smuzhiyun return snprintf(buf, PAGE_SIZE, "%d\n", get); \
18*4882a593Smuzhiyun } \
19*4882a593Smuzhiyun \
20*4882a593Smuzhiyun static ssize_t ath5k_attr_store_##name(struct device *dev, \
21*4882a593Smuzhiyun struct device_attribute *attr, \
22*4882a593Smuzhiyun const char *buf, size_t count) \
23*4882a593Smuzhiyun { \
24*4882a593Smuzhiyun struct ieee80211_hw *hw = dev_get_drvdata(dev); \
25*4882a593Smuzhiyun struct ath5k_hw *ah = hw->priv; \
26*4882a593Smuzhiyun int val, ret; \
27*4882a593Smuzhiyun \
28*4882a593Smuzhiyun ret = kstrtoint(buf, 10, &val); \
29*4882a593Smuzhiyun if (ret < 0) \
30*4882a593Smuzhiyun return ret; \
31*4882a593Smuzhiyun set(ah, val); \
32*4882a593Smuzhiyun return count; \
33*4882a593Smuzhiyun } \
34*4882a593Smuzhiyun static DEVICE_ATTR(name, 0644, \
35*4882a593Smuzhiyun ath5k_attr_show_##name, ath5k_attr_store_##name)
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun #define SIMPLE_SHOW(name, get) \
38*4882a593Smuzhiyun static ssize_t ath5k_attr_show_##name(struct device *dev, \
39*4882a593Smuzhiyun struct device_attribute *attr, \
40*4882a593Smuzhiyun char *buf) \
41*4882a593Smuzhiyun { \
42*4882a593Smuzhiyun struct ieee80211_hw *hw = dev_get_drvdata(dev); \
43*4882a593Smuzhiyun struct ath5k_hw *ah = hw->priv; \
44*4882a593Smuzhiyun return snprintf(buf, PAGE_SIZE, "%d\n", get); \
45*4882a593Smuzhiyun } \
46*4882a593Smuzhiyun static DEVICE_ATTR(name, 0444, ath5k_attr_show_##name, NULL)
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun /*** ANI ***/
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun SIMPLE_SHOW_STORE(ani_mode, ah->ani_state.ani_mode, ath5k_ani_init);
51*4882a593Smuzhiyun SIMPLE_SHOW_STORE(noise_immunity_level, ah->ani_state.noise_imm_level,
52*4882a593Smuzhiyun ath5k_ani_set_noise_immunity_level);
53*4882a593Smuzhiyun SIMPLE_SHOW_STORE(spur_level, ah->ani_state.spur_level,
54*4882a593Smuzhiyun ath5k_ani_set_spur_immunity_level);
55*4882a593Smuzhiyun SIMPLE_SHOW_STORE(firstep_level, ah->ani_state.firstep_level,
56*4882a593Smuzhiyun ath5k_ani_set_firstep_level);
57*4882a593Smuzhiyun SIMPLE_SHOW_STORE(ofdm_weak_signal_detection, ah->ani_state.ofdm_weak_sig,
58*4882a593Smuzhiyun ath5k_ani_set_ofdm_weak_signal_detection);
59*4882a593Smuzhiyun SIMPLE_SHOW_STORE(cck_weak_signal_detection, ah->ani_state.cck_weak_sig,
60*4882a593Smuzhiyun ath5k_ani_set_cck_weak_signal_detection);
61*4882a593Smuzhiyun SIMPLE_SHOW(spur_level_max, ah->ani_state.max_spur_level);
62*4882a593Smuzhiyun
ath5k_attr_show_noise_immunity_level_max(struct device * dev,struct device_attribute * attr,char * buf)63*4882a593Smuzhiyun static ssize_t ath5k_attr_show_noise_immunity_level_max(struct device *dev,
64*4882a593Smuzhiyun struct device_attribute *attr,
65*4882a593Smuzhiyun char *buf)
66*4882a593Smuzhiyun {
67*4882a593Smuzhiyun return snprintf(buf, PAGE_SIZE, "%d\n", ATH5K_ANI_MAX_NOISE_IMM_LVL);
68*4882a593Smuzhiyun }
69*4882a593Smuzhiyun static DEVICE_ATTR(noise_immunity_level_max, 0444,
70*4882a593Smuzhiyun ath5k_attr_show_noise_immunity_level_max, NULL);
71*4882a593Smuzhiyun
ath5k_attr_show_firstep_level_max(struct device * dev,struct device_attribute * attr,char * buf)72*4882a593Smuzhiyun static ssize_t ath5k_attr_show_firstep_level_max(struct device *dev,
73*4882a593Smuzhiyun struct device_attribute *attr,
74*4882a593Smuzhiyun char *buf)
75*4882a593Smuzhiyun {
76*4882a593Smuzhiyun return snprintf(buf, PAGE_SIZE, "%d\n", ATH5K_ANI_MAX_FIRSTEP_LVL);
77*4882a593Smuzhiyun }
78*4882a593Smuzhiyun static DEVICE_ATTR(firstep_level_max, 0444,
79*4882a593Smuzhiyun ath5k_attr_show_firstep_level_max, NULL);
80*4882a593Smuzhiyun
81*4882a593Smuzhiyun static struct attribute *ath5k_sysfs_entries_ani[] = {
82*4882a593Smuzhiyun &dev_attr_ani_mode.attr,
83*4882a593Smuzhiyun &dev_attr_noise_immunity_level.attr,
84*4882a593Smuzhiyun &dev_attr_spur_level.attr,
85*4882a593Smuzhiyun &dev_attr_firstep_level.attr,
86*4882a593Smuzhiyun &dev_attr_ofdm_weak_signal_detection.attr,
87*4882a593Smuzhiyun &dev_attr_cck_weak_signal_detection.attr,
88*4882a593Smuzhiyun &dev_attr_noise_immunity_level_max.attr,
89*4882a593Smuzhiyun &dev_attr_spur_level_max.attr,
90*4882a593Smuzhiyun &dev_attr_firstep_level_max.attr,
91*4882a593Smuzhiyun NULL
92*4882a593Smuzhiyun };
93*4882a593Smuzhiyun
94*4882a593Smuzhiyun static struct attribute_group ath5k_attribute_group_ani = {
95*4882a593Smuzhiyun .name = "ani",
96*4882a593Smuzhiyun .attrs = ath5k_sysfs_entries_ani,
97*4882a593Smuzhiyun };
98*4882a593Smuzhiyun
99*4882a593Smuzhiyun
100*4882a593Smuzhiyun /*** register / unregister ***/
101*4882a593Smuzhiyun
102*4882a593Smuzhiyun int
ath5k_sysfs_register(struct ath5k_hw * ah)103*4882a593Smuzhiyun ath5k_sysfs_register(struct ath5k_hw *ah)
104*4882a593Smuzhiyun {
105*4882a593Smuzhiyun struct device *dev = ah->dev;
106*4882a593Smuzhiyun int err;
107*4882a593Smuzhiyun
108*4882a593Smuzhiyun err = sysfs_create_group(&dev->kobj, &ath5k_attribute_group_ani);
109*4882a593Smuzhiyun if (err) {
110*4882a593Smuzhiyun ATH5K_ERR(ah, "failed to create sysfs group\n");
111*4882a593Smuzhiyun return err;
112*4882a593Smuzhiyun }
113*4882a593Smuzhiyun
114*4882a593Smuzhiyun return 0;
115*4882a593Smuzhiyun }
116*4882a593Smuzhiyun
117*4882a593Smuzhiyun void
ath5k_sysfs_unregister(struct ath5k_hw * ah)118*4882a593Smuzhiyun ath5k_sysfs_unregister(struct ath5k_hw *ah)
119*4882a593Smuzhiyun {
120*4882a593Smuzhiyun struct device *dev = ah->dev;
121*4882a593Smuzhiyun
122*4882a593Smuzhiyun sysfs_remove_group(&dev->kobj, &ath5k_attribute_group_ani);
123*4882a593Smuzhiyun }
124