| // SPDX-License-Identifier: GPL-2.0 |
| #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| |
| #include <linux/device.h> |
| #include <linux/pci.h> |
| |
| #include "ath5k.h" |
| #include "reg.h" |
| |
| #define SIMPLE_SHOW_STORE(name, get, set) \ |
| static ssize_t ath5k_attr_show_##name(struct device *dev, \ |
| struct device_attribute *attr, \ |
| char *buf) \ |
| { \ |
| struct ieee80211_hw *hw = dev_get_drvdata(dev); \ |
| struct ath5k_hw *ah = hw->priv; \ |
| return snprintf(buf, PAGE_SIZE, "%d\n", get); \ |
| } \ |
| \ |
| static ssize_t ath5k_attr_store_##name(struct device *dev, \ |
| struct device_attribute *attr, \ |
| const char *buf, size_t count) \ |
| { \ |
| struct ieee80211_hw *hw = dev_get_drvdata(dev); \ |
| struct ath5k_hw *ah = hw->priv; \ |
| int val, ret; \ |
| \ |
| ret = kstrtoint(buf, 10, &val); \ |
| if (ret < 0) \ |
| return ret; \ |
| set(ah, val); \ |
| return count; \ |
| } \ |
| static DEVICE_ATTR(name, S_IRUGO | S_IWUSR, \ |
| ath5k_attr_show_##name, ath5k_attr_store_##name) |
| |
| #define SIMPLE_SHOW(name, get) \ |
| static ssize_t ath5k_attr_show_##name(struct device *dev, \ |
| struct device_attribute *attr, \ |
| char *buf) \ |
| { \ |
| struct ieee80211_hw *hw = dev_get_drvdata(dev); \ |
| struct ath5k_hw *ah = hw->priv; \ |
| return snprintf(buf, PAGE_SIZE, "%d\n", get); \ |
| } \ |
| static DEVICE_ATTR(name, S_IRUGO, ath5k_attr_show_##name, NULL) |
| |
| /*** ANI ***/ |
| |
| SIMPLE_SHOW_STORE(ani_mode, ah->ani_state.ani_mode, ath5k_ani_init); |
| SIMPLE_SHOW_STORE(noise_immunity_level, ah->ani_state.noise_imm_level, |
| ath5k_ani_set_noise_immunity_level); |
| SIMPLE_SHOW_STORE(spur_level, ah->ani_state.spur_level, |
| ath5k_ani_set_spur_immunity_level); |
| SIMPLE_SHOW_STORE(firstep_level, ah->ani_state.firstep_level, |
| ath5k_ani_set_firstep_level); |
| SIMPLE_SHOW_STORE(ofdm_weak_signal_detection, ah->ani_state.ofdm_weak_sig, |
| ath5k_ani_set_ofdm_weak_signal_detection); |
| SIMPLE_SHOW_STORE(cck_weak_signal_detection, ah->ani_state.cck_weak_sig, |
| ath5k_ani_set_cck_weak_signal_detection); |
| SIMPLE_SHOW(spur_level_max, ah->ani_state.max_spur_level); |
| |
| static ssize_t ath5k_attr_show_noise_immunity_level_max(struct device *dev, |
| struct device_attribute *attr, |
| char *buf) |
| { |
| return snprintf(buf, PAGE_SIZE, "%d\n", ATH5K_ANI_MAX_NOISE_IMM_LVL); |
| } |
| static DEVICE_ATTR(noise_immunity_level_max, S_IRUGO, |
| ath5k_attr_show_noise_immunity_level_max, NULL); |
| |
| static ssize_t ath5k_attr_show_firstep_level_max(struct device *dev, |
| struct device_attribute *attr, |
| char *buf) |
| { |
| return snprintf(buf, PAGE_SIZE, "%d\n", ATH5K_ANI_MAX_FIRSTEP_LVL); |
| } |
| static DEVICE_ATTR(firstep_level_max, S_IRUGO, |
| ath5k_attr_show_firstep_level_max, NULL); |
| |
| static struct attribute *ath5k_sysfs_entries_ani[] = { |
| &dev_attr_ani_mode.attr, |
| &dev_attr_noise_immunity_level.attr, |
| &dev_attr_spur_level.attr, |
| &dev_attr_firstep_level.attr, |
| &dev_attr_ofdm_weak_signal_detection.attr, |
| &dev_attr_cck_weak_signal_detection.attr, |
| &dev_attr_noise_immunity_level_max.attr, |
| &dev_attr_spur_level_max.attr, |
| &dev_attr_firstep_level_max.attr, |
| NULL |
| }; |
| |
| static struct attribute_group ath5k_attribute_group_ani = { |
| .name = "ani", |
| .attrs = ath5k_sysfs_entries_ani, |
| }; |
| |
| |
| /*** register / unregister ***/ |
| |
| int |
| ath5k_sysfs_register(struct ath5k_hw *ah) |
| { |
| struct device *dev = ah->dev; |
| int err; |
| |
| err = sysfs_create_group(&dev->kobj, &ath5k_attribute_group_ani); |
| if (err) { |
| ATH5K_ERR(ah, "failed to create sysfs group\n"); |
| return err; |
| } |
| |
| return 0; |
| } |
| |
| void |
| ath5k_sysfs_unregister(struct ath5k_hw *ah) |
| { |
| struct device *dev = ah->dev; |
| |
| sysfs_remove_group(&dev->kobj, &ath5k_attribute_group_ani); |
| } |