diff options
Diffstat (limited to 'kernel/drivers/net/wireless/ath/ath5k/sysfs.c')
-rw-r--r-- | kernel/drivers/net/wireless/ath/ath5k/sysfs.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/kernel/drivers/net/wireless/ath/ath5k/sysfs.c b/kernel/drivers/net/wireless/ath/ath5k/sysfs.c new file mode 100644 index 000000000..04cf0ca72 --- /dev/null +++ b/kernel/drivers/net/wireless/ath/ath5k/sysfs.c @@ -0,0 +1,122 @@ +#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); +} |