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) \ 8 static 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 \ 17 static 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 } \ 31 static DEVICE_ATTR(name, S_IRUGO | S_IWUSR, \ 32 ath5k_attr_show_##name, ath5k_attr_store_##name) 33 34 #define SIMPLE_SHOW(name, get) \ 35 static 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 } \ 43 static DEVICE_ATTR(name, S_IRUGO, ath5k_attr_show_##name, NULL) 44 45 /*** ANI ***/ 46 47 SIMPLE_SHOW_STORE(ani_mode, ah->ani_state.ani_mode, ath5k_ani_init); 48 SIMPLE_SHOW_STORE(noise_immunity_level, ah->ani_state.noise_imm_level, 49 ath5k_ani_set_noise_immunity_level); 50 SIMPLE_SHOW_STORE(spur_level, ah->ani_state.spur_level, 51 ath5k_ani_set_spur_immunity_level); 52 SIMPLE_SHOW_STORE(firstep_level, ah->ani_state.firstep_level, 53 ath5k_ani_set_firstep_level); 54 SIMPLE_SHOW_STORE(ofdm_weak_signal_detection, ah->ani_state.ofdm_weak_sig, 55 ath5k_ani_set_ofdm_weak_signal_detection); 56 SIMPLE_SHOW_STORE(cck_weak_signal_detection, ah->ani_state.cck_weak_sig, 57 ath5k_ani_set_cck_weak_signal_detection); 58 SIMPLE_SHOW(spur_level_max, ah->ani_state.max_spur_level); 59 60 static 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 } 66 static DEVICE_ATTR(noise_immunity_level_max, S_IRUGO, 67 ath5k_attr_show_noise_immunity_level_max, NULL); 68 69 static 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 } 75 static DEVICE_ATTR(firstep_level_max, S_IRUGO, 76 ath5k_attr_show_firstep_level_max, NULL); 77 78 static 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 91 static struct attribute_group ath5k_attribute_group_ani = { 92 .name = "ani", 93 .attrs = ath5k_sysfs_entries_ani, 94 }; 95 96 97 /*** register / unregister ***/ 98 99 int 100 ath5k_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 } 113 114 void 115 ath5k_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