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) \ 10 static 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 \ 19 static 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 } \ 33 static DEVICE_ATTR(name, S_IRUGO | S_IWUSR, \ 34 ath5k_attr_show_##name, ath5k_attr_store_##name) 35 36 #define SIMPLE_SHOW(name, get) \ 37 static 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 } \ 45 static DEVICE_ATTR(name, S_IRUGO, ath5k_attr_show_##name, NULL) 46 47 /*** ANI ***/ 48 49 SIMPLE_SHOW_STORE(ani_mode, ah->ani_state.ani_mode, ath5k_ani_init); 50 SIMPLE_SHOW_STORE(noise_immunity_level, ah->ani_state.noise_imm_level, 51 ath5k_ani_set_noise_immunity_level); 52 SIMPLE_SHOW_STORE(spur_level, ah->ani_state.spur_level, 53 ath5k_ani_set_spur_immunity_level); 54 SIMPLE_SHOW_STORE(firstep_level, ah->ani_state.firstep_level, 55 ath5k_ani_set_firstep_level); 56 SIMPLE_SHOW_STORE(ofdm_weak_signal_detection, ah->ani_state.ofdm_weak_sig, 57 ath5k_ani_set_ofdm_weak_signal_detection); 58 SIMPLE_SHOW_STORE(cck_weak_signal_detection, ah->ani_state.cck_weak_sig, 59 ath5k_ani_set_cck_weak_signal_detection); 60 SIMPLE_SHOW(spur_level_max, ah->ani_state.max_spur_level); 61 62 static 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 } 68 static DEVICE_ATTR(noise_immunity_level_max, S_IRUGO, 69 ath5k_attr_show_noise_immunity_level_max, NULL); 70 71 static 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 } 77 static DEVICE_ATTR(firstep_level_max, S_IRUGO, 78 ath5k_attr_show_firstep_level_max, NULL); 79 80 static 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 93 static struct attribute_group ath5k_attribute_group_ani = { 94 .name = "ani", 95 .attrs = ath5k_sysfs_entries_ani, 96 }; 97 98 99 /*** register / unregister ***/ 100 101 int 102 ath5k_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 } 115 116 void 117 ath5k_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