[linux-2.6-block.git] / drivers / bluetooth / btmrvl_debugfs.c

/**
 * Marvell Bluetooth driver: debugfs related functions
 *
 * Copyright (C) 2009, Marvell International Ltd.
 *
 * This software file (the "File") is distributed by Marvell International
 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
 * (the "License").  You may use, redistribute and/or modify this File in
 * accordance with the terms and conditions of the License, a copy of which
 * is available by writing to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
 *
 *
 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
 * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
 * this warranty disclaimer.
 **/

#include <linux/debugfs.h>
#include <linux/slab.h>

#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>

#include "btmrvl_drv.h"

struct btmrvl_debugfs_data {
	struct dentry *config_dir;
	struct dentry *status_dir;

	/* config */
	struct dentry *psmode;
	struct dentry *pscmd;
	struct dentry *hsmode;
	struct dentry *hscmd;
	struct dentry *gpiogap;
	struct dentry *hscfgcmd;

	/* status */
	struct dentry *curpsmode;
	struct dentry *hsstate;
	struct dentry *psstate;
	struct dentry *txdnldready;
};

static int btmrvl_open_generic(struct inode *inode, struct file *file)
{
	file->private_data = inode->i_private;
	return 0;
}

static ssize_t btmrvl_hscfgcmd_write(struct file *file,
			const char __user *ubuf, size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	long result, ret;

	memset(buf, 0, sizeof(buf));

	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
		return -EFAULT;

	ret = strict_strtol(buf, 10, &result);

	priv->btmrvl_dev.hscfgcmd = result;

	if (priv->btmrvl_dev.hscfgcmd) {
		btmrvl_prepare_command(priv);
		wake_up_interruptible(&priv->main_thread.wait_q);
	}

	return count;
}

static ssize_t btmrvl_hscfgcmd_read(struct file *file, char __user *userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
						priv->btmrvl_dev.hscfgcmd);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_hscfgcmd_fops = {
	.read	= btmrvl_hscfgcmd_read,
	.write	= btmrvl_hscfgcmd_write,
	.open	= btmrvl_open_generic,
};

static ssize_t btmrvl_psmode_write(struct file *file, const char __user *ubuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	long result, ret;

	memset(buf, 0, sizeof(buf));

	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
		return -EFAULT;

	ret = strict_strtol(buf, 10, &result);

	priv->btmrvl_dev.psmode = result;

	return count;
}

static ssize_t btmrvl_psmode_read(struct file *file, char __user *userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
						priv->btmrvl_dev.psmode);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_psmode_fops = {
	.read	= btmrvl_psmode_read,
	.write	= btmrvl_psmode_write,
	.open	= btmrvl_open_generic,
};

static ssize_t btmrvl_pscmd_write(struct file *file, const char __user *ubuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	long result, ret;

	memset(buf, 0, sizeof(buf));

	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
		return -EFAULT;

	ret = strict_strtol(buf, 10, &result);

	priv->btmrvl_dev.pscmd = result;

	if (priv->btmrvl_dev.pscmd) {
		btmrvl_prepare_command(priv);
		wake_up_interruptible(&priv->main_thread.wait_q);
	}

	return count;

}

static ssize_t btmrvl_pscmd_read(struct file *file, char __user *userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.pscmd);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_pscmd_fops = {
	.read = btmrvl_pscmd_read,
	.write = btmrvl_pscmd_write,
	.open = btmrvl_open_generic,
};

static ssize_t btmrvl_gpiogap_write(struct file *file, const char __user *ubuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	long result, ret;

	memset(buf, 0, sizeof(buf));

	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
		return -EFAULT;

	ret = strict_strtol(buf, 16, &result);

	priv->btmrvl_dev.gpio_gap = result;

	return count;
}

static ssize_t btmrvl_gpiogap_read(struct file *file, char __user *userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "0x%x\n",
						priv->btmrvl_dev.gpio_gap);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_gpiogap_fops = {
	.read	= btmrvl_gpiogap_read,
	.write	= btmrvl_gpiogap_write,
	.open	= btmrvl_open_generic,
};

static ssize_t btmrvl_hscmd_write(struct file *file, const char __user *ubuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = (struct btmrvl_private *) file->private_data;
	char buf[16];
	long result, ret;

	memset(buf, 0, sizeof(buf));

	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
		return -EFAULT;

	ret = strict_strtol(buf, 10, &result);

	priv->btmrvl_dev.hscmd = result;
	if (priv->btmrvl_dev.hscmd) {
		btmrvl_prepare_command(priv);
		wake_up_interruptible(&priv->main_thread.wait_q);
	}

	return count;
}

static ssize_t btmrvl_hscmd_read(struct file *file, char __user *userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hscmd);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_hscmd_fops = {
	.read	= btmrvl_hscmd_read,
	.write	= btmrvl_hscmd_write,
	.open	= btmrvl_open_generic,
};

static ssize_t btmrvl_hsmode_write(struct file *file, const char __user *ubuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	long result, ret;

	memset(buf, 0, sizeof(buf));

	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
		return -EFAULT;

	ret = strict_strtol(buf, 10, &result);

	priv->btmrvl_dev.hsmode = result;

	return count;
}

static ssize_t btmrvl_hsmode_read(struct file *file, char __user * userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hsmode);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_hsmode_fops = {
	.read	= btmrvl_hsmode_read,
	.write	= btmrvl_hsmode_write,
	.open	= btmrvl_open_generic,
};

static ssize_t btmrvl_curpsmode_read(struct file *file, char __user *userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->psmode);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_curpsmode_fops = {
	.read	= btmrvl_curpsmode_read,
	.open	= btmrvl_open_generic,
};

static ssize_t btmrvl_psstate_read(struct file *file, char __user * userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->ps_state);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_psstate_fops = {
	.read	= btmrvl_psstate_read,
	.open	= btmrvl_open_generic,
};

static ssize_t btmrvl_hsstate_read(struct file *file, char __user *userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->hs_state);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_hsstate_fops = {
	.read	= btmrvl_hsstate_read,
	.open	= btmrvl_open_generic,
};

static ssize_t btmrvl_txdnldready_read(struct file *file, char __user *userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
					priv->btmrvl_dev.tx_dnld_rdy);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_txdnldready_fops = {
	.read	= btmrvl_txdnldready_read,
	.open	= btmrvl_open_generic,
};

void btmrvl_debugfs_init(struct hci_dev *hdev)
{
	struct btmrvl_private *priv = hdev->driver_data;
	struct btmrvl_debugfs_data *dbg;

	if (!hdev->debugfs)
		return;

	dbg = kzalloc(sizeof(*dbg), GFP_KERNEL);
	priv->debugfs_data = dbg;

	if (!dbg) {
		BT_ERR("Can not allocate memory for btmrvl_debugfs_data.");
		return;
	}

	dbg->config_dir = debugfs_create_dir("config", hdev->debugfs);

	dbg->psmode = debugfs_create_file("psmode", 0644, dbg->config_dir,
				hdev->driver_data, &btmrvl_psmode_fops);
	dbg->pscmd = debugfs_create_file("pscmd", 0644, dbg->config_dir,
				hdev->driver_data, &btmrvl_pscmd_fops);
	dbg->gpiogap = debugfs_create_file("gpiogap", 0644, dbg->config_dir,
				hdev->driver_data, &btmrvl_gpiogap_fops);
	dbg->hsmode =  debugfs_create_file("hsmode", 0644, dbg->config_dir,
				hdev->driver_data, &btmrvl_hsmode_fops);
	dbg->hscmd = debugfs_create_file("hscmd", 0644, dbg->config_dir,
				hdev->driver_data, &btmrvl_hscmd_fops);
	dbg->hscfgcmd = debugfs_create_file("hscfgcmd", 0644, dbg->config_dir,
				hdev->driver_data, &btmrvl_hscfgcmd_fops);

	dbg->status_dir = debugfs_create_dir("status", hdev->debugfs);
	dbg->curpsmode = debugfs_create_file("curpsmode", 0444,
						dbg->status_dir,
						hdev->driver_data,
						&btmrvl_curpsmode_fops);
	dbg->psstate = debugfs_create_file("psstate", 0444, dbg->status_dir,
				hdev->driver_data, &btmrvl_psstate_fops);
	dbg->hsstate = debugfs_create_file("hsstate", 0444, dbg->status_dir,
				hdev->driver_data, &btmrvl_hsstate_fops);
	dbg->txdnldready = debugfs_create_file("txdnldready", 0444,
						dbg->status_dir,
						hdev->driver_data,
						&btmrvl_txdnldready_fops);
}

void btmrvl_debugfs_remove(struct hci_dev *hdev)
{
	struct btmrvl_private *priv = hdev->driver_data;
	struct btmrvl_debugfs_data *dbg = priv->debugfs_data;

	if (!dbg)
		return;

	debugfs_remove(dbg->psmode);
	debugfs_remove(dbg->pscmd);
	debugfs_remove(dbg->gpiogap);
	debugfs_remove(dbg->hsmode);
	debugfs_remove(dbg->hscmd);
	debugfs_remove(dbg->hscfgcmd);
	debugfs_remove(dbg->config_dir);

	debugfs_remove(dbg->curpsmode);
	debugfs_remove(dbg->psstate);
	debugfs_remove(dbg->hsstate);
	debugfs_remove(dbg->txdnldready);
	debugfs_remove(dbg->status_dir);

	kfree(dbg);
}
Commit	Line	Data
fb784f05 BZ	1	/**
	2	* Marvell Bluetooth driver: debugfs related functions
	3	*
	4	* Copyright (C) 2009, Marvell International Ltd.
	5	*
	6	* This software file (the "File") is distributed by Marvell International
	7	* Ltd. under the terms of the GNU General Public License Version 2, June 1991
	8	* (the "License"). You may use, redistribute and/or modify this File in
	9	* accordance with the terms and conditions of the License, a copy of which
	10	* is available by writing to the Free Software Foundation, Inc.,
	11	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
	12	* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
	13	*
	14	*
	15	* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
	16	* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
	17	* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
	18	* this warranty disclaimer.
	19	**/
	20
	21	#include <linux/debugfs.h>
5a0e3ad6	22	#include <linux/slab.h>
fb784f05 BZ	23
	24	#include <net/bluetooth/bluetooth.h>
	25	#include <net/bluetooth/hci_core.h>
	26
	27	#include "btmrvl_drv.h"
	28
	29	struct btmrvl_debugfs_data {
b914a250 MH	30	struct dentry *config_dir;
b914a250 MH	31	struct dentry *status_dir;
fb784f05 BZ	32
fb784f05 BZ	33	/* config */
fb784f05 BZ	34	struct dentry *psmode;
	35	struct dentry *pscmd;
	36	struct dentry *hsmode;
	37	struct dentry *hscmd;
	38	struct dentry *gpiogap;
	39	struct dentry *hscfgcmd;
	40
	41	/* status */
	42	struct dentry *curpsmode;
	43	struct dentry *hsstate;
	44	struct dentry *psstate;
	45	struct dentry *txdnldready;
	46	};
	47
	48	static int btmrvl_open_generic(struct inode inode, struct file file)
	49	{
	50	file->private_data = inode->i_private;
	51	return 0;
	52	}
	53
	54	static ssize_t btmrvl_hscfgcmd_write(struct file *file,
54239903	55	const char __user ubuf, size_t count, loff_t ppos)
fb784f05	56	{
54239903	57	struct btmrvl_private *priv = file->private_data;
fb784f05	58	char buf[16];
54239903	59	long result, ret;
fb784f05 BZ	60
	61	memset(buf, 0, sizeof(buf));
	62
54239903	63	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	64	return -EFAULT;
	65
	66	ret = strict_strtol(buf, 10, &result);
	67
	68	priv->btmrvl_dev.hscfgcmd = result;
	69
	70	if (priv->btmrvl_dev.hscfgcmd) {
	71	btmrvl_prepare_command(priv);
	72	wake_up_interruptible(&priv->main_thread.wait_q);
	73	}
	74
	75	return count;
	76	}
	77
54239903 MH	78	static ssize_t btmrvl_hscfgcmd_read(struct file file, char __user userbuf,
54239903 MH	79	size_t count, loff_t *ppos)
fb784f05	80	{
54239903	81	struct btmrvl_private *priv = file->private_data;
fb784f05	82	char buf[16];
54239903	83	int ret;
fb784f05 BZ	84
fb784f05 BZ	85	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
54239903	86	priv->btmrvl_dev.hscfgcmd);
fb784f05 BZ	87
	88	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	89	}
	90
	91	static const struct file_operations btmrvl_hscfgcmd_fops = {
54239903 MH	92	.read = btmrvl_hscfgcmd_read,
	93	.write = btmrvl_hscfgcmd_write,
	94	.open = btmrvl_open_generic,
fb784f05 BZ	95	};
	96
	97	static ssize_t btmrvl_psmode_write(struct file file, const char __user ubuf,
54239903	98	size_t count, loff_t *ppos)
fb784f05	99	{
54239903	100	struct btmrvl_private *priv = file->private_data;
fb784f05	101	char buf[16];
54239903	102	long result, ret;
fb784f05 BZ	103
	104	memset(buf, 0, sizeof(buf));
	105
54239903	106	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	107	return -EFAULT;
	108
	109	ret = strict_strtol(buf, 10, &result);
	110
	111	priv->btmrvl_dev.psmode = result;
	112
	113	return count;
	114	}
	115
54239903 MH	116	static ssize_t btmrvl_psmode_read(struct file file, char __user userbuf,
54239903 MH	117	size_t count, loff_t *ppos)
fb784f05	118	{
54239903	119	struct btmrvl_private *priv = file->private_data;
fb784f05	120	char buf[16];
54239903	121	int ret;
fb784f05 BZ	122
fb784f05 BZ	123	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
54239903	124	priv->btmrvl_dev.psmode);
fb784f05 BZ	125
	126	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	127	}
	128
	129	static const struct file_operations btmrvl_psmode_fops = {
54239903 MH	130	.read = btmrvl_psmode_read,
	131	.write = btmrvl_psmode_write,
	132	.open = btmrvl_open_generic,
fb784f05 BZ	133	};
	134
	135	static ssize_t btmrvl_pscmd_write(struct file file, const char __user ubuf,
54239903	136	size_t count, loff_t *ppos)
fb784f05	137	{
54239903	138	struct btmrvl_private *priv = file->private_data;
fb784f05	139	char buf[16];
54239903	140	long result, ret;
fb784f05 BZ	141
	142	memset(buf, 0, sizeof(buf));
	143
54239903	144	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	145	return -EFAULT;
	146
	147	ret = strict_strtol(buf, 10, &result);
	148
	149	priv->btmrvl_dev.pscmd = result;
	150
	151	if (priv->btmrvl_dev.pscmd) {
	152	btmrvl_prepare_command(priv);
	153	wake_up_interruptible(&priv->main_thread.wait_q);
	154	}
	155
	156	return count;
	157
	158	}
	159
54239903 MH	160	static ssize_t btmrvl_pscmd_read(struct file file, char __user userbuf,
54239903 MH	161	size_t count, loff_t *ppos)
fb784f05	162	{
54239903	163	struct btmrvl_private *priv = file->private_data;
fb784f05	164	char buf[16];
54239903	165	int ret;
fb784f05 BZ	166
	167	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.pscmd);
	168
	169	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	170	}
	171
	172	static const struct file_operations btmrvl_pscmd_fops = {
	173	.read = btmrvl_pscmd_read,
	174	.write = btmrvl_pscmd_write,
	175	.open = btmrvl_open_generic,
	176	};
	177
	178	static ssize_t btmrvl_gpiogap_write(struct file file, const char __user ubuf,
54239903	179	size_t count, loff_t *ppos)
fb784f05	180	{
54239903	181	struct btmrvl_private *priv = file->private_data;
fb784f05	182	char buf[16];
54239903	183	long result, ret;
fb784f05 BZ	184
	185	memset(buf, 0, sizeof(buf));
	186
54239903	187	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	188	return -EFAULT;
	189
	190	ret = strict_strtol(buf, 16, &result);
	191
	192	priv->btmrvl_dev.gpio_gap = result;
	193
	194	return count;
	195	}
	196
54239903 MH	197	static ssize_t btmrvl_gpiogap_read(struct file file, char __user userbuf,
54239903 MH	198	size_t count, loff_t *ppos)
fb784f05	199	{
54239903	200	struct btmrvl_private *priv = file->private_data;
fb784f05	201	char buf[16];
54239903	202	int ret;
fb784f05 BZ	203
fb784f05 BZ	204	ret = snprintf(buf, sizeof(buf) - 1, "0x%x\n",
54239903	205	priv->btmrvl_dev.gpio_gap);
fb784f05 BZ	206
	207	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	208	}
	209
	210	static const struct file_operations btmrvl_gpiogap_fops = {
54239903 MH	211	.read = btmrvl_gpiogap_read,
	212	.write = btmrvl_gpiogap_write,
	213	.open = btmrvl_open_generic,
fb784f05 BZ	214	};
	215
	216	static ssize_t btmrvl_hscmd_write(struct file file, const char __user ubuf,
54239903	217	size_t count, loff_t *ppos)
fb784f05	218	{
54239903	219	struct btmrvl_private priv = (struct btmrvl_private ) file->private_data;
fb784f05	220	char buf[16];
54239903	221	long result, ret;
fb784f05 BZ	222
	223	memset(buf, 0, sizeof(buf));
	224
54239903	225	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	226	return -EFAULT;
	227
	228	ret = strict_strtol(buf, 10, &result);
	229
	230	priv->btmrvl_dev.hscmd = result;
	231	if (priv->btmrvl_dev.hscmd) {
	232	btmrvl_prepare_command(priv);
	233	wake_up_interruptible(&priv->main_thread.wait_q);
	234	}
	235
	236	return count;
	237	}
	238
54239903 MH	239	static ssize_t btmrvl_hscmd_read(struct file file, char __user userbuf,
54239903 MH	240	size_t count, loff_t *ppos)
fb784f05	241	{
54239903	242	struct btmrvl_private *priv = file->private_data;
fb784f05	243	char buf[16];
54239903	244	int ret;
fb784f05 BZ	245
	246	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hscmd);
	247
	248	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	249	}
	250
	251	static const struct file_operations btmrvl_hscmd_fops = {
54239903 MH	252	.read = btmrvl_hscmd_read,
	253	.write = btmrvl_hscmd_write,
	254	.open = btmrvl_open_generic,
fb784f05 BZ	255	};
	256
	257	static ssize_t btmrvl_hsmode_write(struct file file, const char __user ubuf,
54239903	258	size_t count, loff_t *ppos)
fb784f05	259	{
54239903	260	struct btmrvl_private *priv = file->private_data;
fb784f05	261	char buf[16];
54239903	262	long result, ret;
fb784f05 BZ	263
	264	memset(buf, 0, sizeof(buf));
	265
54239903	266	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	267	return -EFAULT;
	268
	269	ret = strict_strtol(buf, 10, &result);
	270
	271	priv->btmrvl_dev.hsmode = result;
	272
	273	return count;
	274	}
	275
	276	static ssize_t btmrvl_hsmode_read(struct file file, char __user userbuf,
54239903	277	size_t count, loff_t *ppos)
fb784f05	278	{
54239903	279	struct btmrvl_private *priv = file->private_data;
fb784f05	280	char buf[16];
54239903	281	int ret;
fb784f05	282
54239903	283	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hsmode);
fb784f05 BZ	284
	285	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	286	}
	287
	288	static const struct file_operations btmrvl_hsmode_fops = {
54239903 MH	289	.read = btmrvl_hsmode_read,
	290	.write = btmrvl_hsmode_write,
	291	.open = btmrvl_open_generic,
fb784f05 BZ	292	};
fb784f05 BZ	293
54239903 MH	294	static ssize_t btmrvl_curpsmode_read(struct file file, char __user userbuf,
54239903 MH	295	size_t count, loff_t *ppos)
fb784f05	296	{
54239903	297	struct btmrvl_private *priv = file->private_data;
fb784f05	298	char buf[16];
54239903	299	int ret;
fb784f05 BZ	300
	301	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->psmode);
	302
	303	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	304	}
	305
	306	static const struct file_operations btmrvl_curpsmode_fops = {
54239903 MH	307	.read = btmrvl_curpsmode_read,
54239903 MH	308	.open = btmrvl_open_generic,
fb784f05 BZ	309	};
	310
	311	static ssize_t btmrvl_psstate_read(struct file file, char __user userbuf,
54239903	312	size_t count, loff_t *ppos)
fb784f05	313	{
54239903	314	struct btmrvl_private *priv = file->private_data;
fb784f05	315	char buf[16];
54239903	316	int ret;
fb784f05	317
54239903	318	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->ps_state);
fb784f05 BZ	319
	320	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	321	}
	322
	323	static const struct file_operations btmrvl_psstate_fops = {
54239903 MH	324	.read = btmrvl_psstate_read,
54239903 MH	325	.open = btmrvl_open_generic,
fb784f05 BZ	326	};
fb784f05 BZ	327
54239903 MH	328	static ssize_t btmrvl_hsstate_read(struct file file, char __user userbuf,
54239903 MH	329	size_t count, loff_t *ppos)
fb784f05	330	{
54239903	331	struct btmrvl_private *priv = file->private_data;
fb784f05	332	char buf[16];
54239903	333	int ret;
fb784f05	334
54239903	335	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->hs_state);
fb784f05 BZ	336
	337	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	338	}
	339
	340	static const struct file_operations btmrvl_hsstate_fops = {
54239903 MH	341	.read = btmrvl_hsstate_read,
54239903 MH	342	.open = btmrvl_open_generic,
fb784f05 BZ	343	};
fb784f05 BZ	344
54239903 MH	345	static ssize_t btmrvl_txdnldready_read(struct file file, char __user userbuf,
54239903 MH	346	size_t count, loff_t *ppos)
fb784f05	347	{
54239903	348	struct btmrvl_private *priv = file->private_data;
fb784f05	349	char buf[16];
54239903	350	int ret;
fb784f05 BZ	351
fb784f05 BZ	352	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
54239903	353	priv->btmrvl_dev.tx_dnld_rdy);
fb784f05 BZ	354
	355	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	356	}
	357
	358	static const struct file_operations btmrvl_txdnldready_fops = {
54239903 MH	359	.read = btmrvl_txdnldready_read,
54239903 MH	360	.open = btmrvl_open_generic,
fb784f05 BZ	361	};
	362
	363	void btmrvl_debugfs_init(struct hci_dev *hdev)
	364	{
54239903	365	struct btmrvl_private *priv = hdev->driver_data;
fb784f05 BZ	366	struct btmrvl_debugfs_data *dbg;
fb784f05 BZ	367
b914a250 MH	368	if (!hdev->debugfs)
	369	return;
	370
fb784f05 BZ	371	dbg = kzalloc(sizeof(*dbg), GFP_KERNEL);
	372	priv->debugfs_data = dbg;
	373
	374	if (!dbg) {
	375	BT_ERR("Can not allocate memory for btmrvl_debugfs_data.");
	376	return;
	377	}
	378
b914a250	379	dbg->config_dir = debugfs_create_dir("config", hdev->debugfs);
fb784f05 BZ	380
fb784f05 BZ	381	dbg->psmode = debugfs_create_file("psmode", 0644, dbg->config_dir,
54239903 MH	382	hdev->driver_data, &btmrvl_psmode_fops);
54239903 MH	383	dbg->pscmd = debugfs_create_file("pscmd", 0644, dbg->config_dir,
fb784f05	384	hdev->driver_data, &btmrvl_pscmd_fops);
54239903	385	dbg->gpiogap = debugfs_create_file("gpiogap", 0644, dbg->config_dir,
fb784f05	386	hdev->driver_data, &btmrvl_gpiogap_fops);
54239903	387	dbg->hsmode = debugfs_create_file("hsmode", 0644, dbg->config_dir,
fb784f05	388	hdev->driver_data, &btmrvl_hsmode_fops);
54239903	389	dbg->hscmd = debugfs_create_file("hscmd", 0644, dbg->config_dir,
fb784f05	390	hdev->driver_data, &btmrvl_hscmd_fops);
54239903	391	dbg->hscfgcmd = debugfs_create_file("hscfgcmd", 0644, dbg->config_dir,
fb784f05 BZ	392	hdev->driver_data, &btmrvl_hscfgcmd_fops);
fb784f05 BZ	393
b914a250	394	dbg->status_dir = debugfs_create_dir("status", hdev->debugfs);
fb784f05 BZ	395	dbg->curpsmode = debugfs_create_file("curpsmode", 0444,
	396	dbg->status_dir,
	397	hdev->driver_data,
	398	&btmrvl_curpsmode_fops);
54239903	399	dbg->psstate = debugfs_create_file("psstate", 0444, dbg->status_dir,
fb784f05	400	hdev->driver_data, &btmrvl_psstate_fops);
54239903	401	dbg->hsstate = debugfs_create_file("hsstate", 0444, dbg->status_dir,
fb784f05	402	hdev->driver_data, &btmrvl_hsstate_fops);
54239903 MH	403	dbg->txdnldready = debugfs_create_file("txdnldready", 0444,
	404	dbg->status_dir,
	405	hdev->driver_data,
	406	&btmrvl_txdnldready_fops);
fb784f05 BZ	407	}
	408
	409	void btmrvl_debugfs_remove(struct hci_dev *hdev)
	410	{
54239903	411	struct btmrvl_private *priv = hdev->driver_data;
fb784f05 BZ	412	struct btmrvl_debugfs_data *dbg = priv->debugfs_data;
	413
	414	if (!dbg)
	415	return;
	416
	417	debugfs_remove(dbg->psmode);
	418	debugfs_remove(dbg->pscmd);
	419	debugfs_remove(dbg->gpiogap);
	420	debugfs_remove(dbg->hsmode);
	421	debugfs_remove(dbg->hscmd);
	422	debugfs_remove(dbg->hscfgcmd);
	423	debugfs_remove(dbg->config_dir);
	424
	425	debugfs_remove(dbg->curpsmode);
	426	debugfs_remove(dbg->psstate);
	427	debugfs_remove(dbg->hsstate);
	428	debugfs_remove(dbg->txdnldready);
	429	debugfs_remove(dbg->status_dir);
	430
fb784f05 BZ	431	kfree(dbg);
fb784f05 BZ	432	}