[thirdparty/linux.git] / drivers / net / wireless / ath / ath5k / sysfs.c

// 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);
}
Commit	Line	Data
b2441318	1	// SPDX-License-Identifier: GPL-2.0
516304b0 JP	2	#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
516304b0 JP	3
40ca22ea BR	4	#include <linux/device.h>
	5	#include <linux/pci.h>
	6
40ca22ea BR	7	#include "ath5k.h"
	8	#include "reg.h"
	9
	10	#define SIMPLE_SHOW_STORE(name, get, set) \
	11	static ssize_t ath5k_attr_show_##name(struct device *dev, \
	12	struct device_attribute *attr, \
	13	char *buf) \
	14	{ \
95acbd43	15	struct ieee80211_hw *hw = dev_get_drvdata(dev); \
e0d687bd	16	struct ath5k_hw *ah = hw->priv; \
0a5d3813	17	return snprintf(buf, PAGE_SIZE, "%d\n", get); \
40ca22ea BR	18	} \
	19	\
	20	static ssize_t ath5k_attr_store_##name(struct device *dev, \
	21	struct device_attribute *attr, \
	22	const char *buf, size_t count) \
	23	{ \
95acbd43	24	struct ieee80211_hw *hw = dev_get_drvdata(dev); \
e0d687bd	25	struct ath5k_hw *ah = hw->priv; \
e2df64c1	26	int val, ret; \
40ca22ea	27	\
e2df64c1 PR	28	ret = kstrtoint(buf, 10, &val); \
	29	if (ret < 0) \
	30	return ret; \
e0d687bd	31	set(ah, val); \
40ca22ea BR	32	return count; \
	33	} \
	34	static DEVICE_ATTR(name, S_IRUGO \| S_IWUSR, \
	35	ath5k_attr_show_##name, ath5k_attr_store_##name)
	36
	37	#define SIMPLE_SHOW(name, get) \
	38	static ssize_t ath5k_attr_show_##name(struct device *dev, \
	39	struct device_attribute *attr, \
	40	char *buf) \
	41	{ \
95acbd43	42	struct ieee80211_hw *hw = dev_get_drvdata(dev); \
e0d687bd	43	struct ath5k_hw *ah = hw->priv; \
0a5d3813	44	return snprintf(buf, PAGE_SIZE, "%d\n", get); \
40ca22ea BR	45	} \
	46	static DEVICE_ATTR(name, S_IRUGO, ath5k_attr_show_##name, NULL)
	47
	48	/* ANI */
	49
e0d687bd PR	50	SIMPLE_SHOW_STORE(ani_mode, ah->ani_state.ani_mode, ath5k_ani_init);
e0d687bd PR	51	SIMPLE_SHOW_STORE(noise_immunity_level, ah->ani_state.noise_imm_level,
40ca22ea	52	ath5k_ani_set_noise_immunity_level);
e0d687bd	53	SIMPLE_SHOW_STORE(spur_level, ah->ani_state.spur_level,
40ca22ea	54	ath5k_ani_set_spur_immunity_level);
e0d687bd	55	SIMPLE_SHOW_STORE(firstep_level, ah->ani_state.firstep_level,
40ca22ea	56	ath5k_ani_set_firstep_level);
e0d687bd	57	SIMPLE_SHOW_STORE(ofdm_weak_signal_detection, ah->ani_state.ofdm_weak_sig,
40ca22ea	58	ath5k_ani_set_ofdm_weak_signal_detection);
e0d687bd	59	SIMPLE_SHOW_STORE(cck_weak_signal_detection, ah->ani_state.cck_weak_sig,
40ca22ea	60	ath5k_ani_set_cck_weak_signal_detection);
e0d687bd	61	SIMPLE_SHOW(spur_level_max, ah->ani_state.max_spur_level);
40ca22ea BR	62
	63	static ssize_t ath5k_attr_show_noise_immunity_level_max(struct device *dev,
	64	struct device_attribute *attr,
	65	char *buf)
	66	{
	67	return snprintf(buf, PAGE_SIZE, "%d\n", ATH5K_ANI_MAX_NOISE_IMM_LVL);
	68	}
	69	static DEVICE_ATTR(noise_immunity_level_max, S_IRUGO,
	70	ath5k_attr_show_noise_immunity_level_max, NULL);
	71
	72	static ssize_t ath5k_attr_show_firstep_level_max(struct device *dev,
	73	struct device_attribute *attr,
	74	char *buf)
	75	{
	76	return snprintf(buf, PAGE_SIZE, "%d\n", ATH5K_ANI_MAX_FIRSTEP_LVL);
	77	}
	78	static DEVICE_ATTR(firstep_level_max, S_IRUGO,
	79	ath5k_attr_show_firstep_level_max, NULL);
	80
	81	static struct attribute *ath5k_sysfs_entries_ani[] = {
	82	&dev_attr_ani_mode.attr,
	83	&dev_attr_noise_immunity_level.attr,
	84	&dev_attr_spur_level.attr,
	85	&dev_attr_firstep_level.attr,
	86	&dev_attr_ofdm_weak_signal_detection.attr,
	87	&dev_attr_cck_weak_signal_detection.attr,
	88	&dev_attr_noise_immunity_level_max.attr,
	89	&dev_attr_spur_level_max.attr,
	90	&dev_attr_firstep_level_max.attr,
	91	NULL
	92	};
	93
	94	static struct attribute_group ath5k_attribute_group_ani = {
	95	.name = "ani",
	96	.attrs = ath5k_sysfs_entries_ani,
	97	};
	98
	99
	100	/* register / unregister */
	101
	102	int
e0d687bd	103	ath5k_sysfs_register(struct ath5k_hw *ah)
40ca22ea	104	{
e0d687bd	105	struct device *dev = ah->dev;
40ca22ea BR	106	int err;
	107
	108	err = sysfs_create_group(&dev->kobj, &ath5k_attribute_group_ani);
	109	if (err) {
e0d687bd	110	ATH5K_ERR(ah, "failed to create sysfs group\n");
40ca22ea BR	111	return err;
	112	}
	113
	114	return 0;
	115	}
	116
	117	void
e0d687bd	118	ath5k_sysfs_unregister(struct ath5k_hw *ah)
40ca22ea	119	{
e0d687bd	120	struct device *dev = ah->dev;
40ca22ea BR	121
	122	sysfs_remove_group(&dev->kobj, &ath5k_attribute_group_ani);
	123	}