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; \ 25 \ 26 val = (int)simple_strtoul(buf, NULL, 10); \ 27 set(sc->ah, val); \ 28 return count; \ 29 } \ 30 static DEVICE_ATTR(name, S_IRUGO | S_IWUSR, \ 31 ath5k_attr_show_##name, ath5k_attr_store_##name) 32 33 #define SIMPLE_SHOW(name, get) \ 34 static ssize_t ath5k_attr_show_##name(struct device *dev, \ 35 struct device_attribute *attr, \ 36 char *buf) \ 37 { \ 38 struct ieee80211_hw *hw = dev_get_drvdata(dev); \ 39 struct ath5k_softc *sc = hw->priv; \ 40 return snprintf(buf, PAGE_SIZE, "%d\n", get); \ 41 } \ 42 static DEVICE_ATTR(name, S_IRUGO, ath5k_attr_show_##name, NULL) 43 44 /*** ANI ***/ 45 46 SIMPLE_SHOW_STORE(ani_mode, sc->ani_state.ani_mode, ath5k_ani_init); 47 SIMPLE_SHOW_STORE(noise_immunity_level, sc->ani_state.noise_imm_level, 48 ath5k_ani_set_noise_immunity_level); 49 SIMPLE_SHOW_STORE(spur_level, sc->ani_state.spur_level, 50 ath5k_ani_set_spur_immunity_level); 51 SIMPLE_SHOW_STORE(firstep_level, sc->ani_state.firstep_level, 52 ath5k_ani_set_firstep_level); 53 SIMPLE_SHOW_STORE(ofdm_weak_signal_detection, sc->ani_state.ofdm_weak_sig, 54 ath5k_ani_set_ofdm_weak_signal_detection); 55 SIMPLE_SHOW_STORE(cck_weak_signal_detection, sc->ani_state.cck_weak_sig, 56 ath5k_ani_set_cck_weak_signal_detection); 57 SIMPLE_SHOW(spur_level_max, sc->ani_state.max_spur_level); 58 59 static ssize_t ath5k_attr_show_noise_immunity_level_max(struct device *dev, 60 struct device_attribute *attr, 61 char *buf) 62 { 63 return snprintf(buf, PAGE_SIZE, "%d\n", ATH5K_ANI_MAX_NOISE_IMM_LVL); 64 } 65 static DEVICE_ATTR(noise_immunity_level_max, S_IRUGO, 66 ath5k_attr_show_noise_immunity_level_max, NULL); 67 68 static ssize_t ath5k_attr_show_firstep_level_max(struct device *dev, 69 struct device_attribute *attr, 70 char *buf) 71 { 72 return snprintf(buf, PAGE_SIZE, "%d\n", ATH5K_ANI_MAX_FIRSTEP_LVL); 73 } 74 static DEVICE_ATTR(firstep_level_max, S_IRUGO, 75 ath5k_attr_show_firstep_level_max, NULL); 76 77 static struct attribute *ath5k_sysfs_entries_ani[] = { 78 &dev_attr_ani_mode.attr, 79 &dev_attr_noise_immunity_level.attr, 80 &dev_attr_spur_level.attr, 81 &dev_attr_firstep_level.attr, 82 &dev_attr_ofdm_weak_signal_detection.attr, 83 &dev_attr_cck_weak_signal_detection.attr, 84 &dev_attr_noise_immunity_level_max.attr, 85 &dev_attr_spur_level_max.attr, 86 &dev_attr_firstep_level_max.attr, 87 NULL 88 }; 89 90 static struct attribute_group ath5k_attribute_group_ani = { 91 .name = "ani", 92 .attrs = ath5k_sysfs_entries_ani, 93 }; 94 95 96 /*** register / unregister ***/ 97 98 int 99 ath5k_sysfs_register(struct ath5k_softc *sc) 100 { 101 struct device *dev = sc->dev; 102 int err; 103 104 err = sysfs_create_group(&dev->kobj, &ath5k_attribute_group_ani); 105 if (err) { 106 ATH5K_ERR(sc, "failed to create sysfs group\n"); 107 return err; 108 } 109 110 return 0; 111 } 112 113 void 114 ath5k_sysfs_unregister(struct ath5k_softc *sc) 115 { 116 struct device *dev = sc->dev; 117 118 sysfs_remove_group(&dev->kobj, &ath5k_attribute_group_ani); 119 } 120