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