Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / net / wireless / ath / ath5k / sysfs.c

diff --git a/kernel/drivers/net/wireless/ath/ath5k/sysfs.c b/kernel/drivers/net/wireless/ath/ath5k/sysfs.c
new file mode 100644 (file)
index 0000000..04cf0ca
--- /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);
+}