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Diffstat (limited to 'drivers/net/wireless/ath/ath5k/sysfs.c')
-rw-r--r--drivers/net/wireless/ath/ath5k/sysfs.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath5k/sysfs.c b/drivers/net/wireless/ath/ath5k/sysfs.c
new file mode 100644
index 000000000..37bf64106
--- /dev/null
+++ b/drivers/net/wireless/ath/ath5k/sysfs.c
@@ -0,0 +1,123 @@
+// 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 sysfs_emit(buf, "%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, 0644, \
+ 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 sysfs_emit(buf, "%d\n", get); \
+} \
+static DEVICE_ATTR(name, 0444, 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 sysfs_emit(buf, "%d\n", ATH5K_ANI_MAX_NOISE_IMM_LVL);
+}
+static DEVICE_ATTR(noise_immunity_level_max, 0444,
+ 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 sysfs_emit(buf, "%d\n", ATH5K_ANI_MAX_FIRSTEP_LVL);
+}
+static DEVICE_ATTR(firstep_level_max, 0444,
+ 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);
+}